Important (Read me first!)

This post is a commentary and does not contain any copyrighted material of the reference source.

We strongly recommend accessing/buying the reference source at the same time.

Reference Source

You can understand each word more deeply by utilizing the following YouTube Posts and PDF files.
Also, see how to use Englist.me?

All Words (127 Words)

You can learn all the words from basic to advanced levels in the order they appear in the contents.
If you want learn all words quickly, you can use Quick Look Video.

Quick Look


YouTube Post

Vocabulary Builder

Advanced Words (34 Words)

If you are confident in your vocabulary, you may prefer to study with content that covers only advanced-level words.

YouTube Post

Vocabulary Builder

Word List

You can quickly review the words in this content from the list below.

chemistryn: the branch of the natural sciences dealing with the composition of substances and their properties and reactions
fossilizedadj: transformed into a fossil (= something preserved in rock for a very long period) or preserved in the form of a fossil; antiquated or inflexible
dimensionn: a measurable extent of a particular kind, such as width, height, or length
temperaturen: the degree of hotness or coldness of a thing or place
satelliten: an electronic device that is sent up into space and moves around the Earth or another planet, used for gathering information or communicating by radio, television, etc.
tremendousadj: very great in degree or extent or amount or impact; extremely good
spatialadj: of or relating space and the position, area, and size of things
resolutionn: a firm decision or determination to do or not do something; the action of solving a problem, dispute, or conflict; the quality of being resolved or determined; the clarity and sharpness of an image or display
featn: a notable or impressive achievement, especially one that requires great skill or bravery
equatorn: an line of latitude that separates Earth’s northern and southern hemispheres and has a radius of around 40,075 kilometers (24,901 miles)
sunlightn: the light emitted by the sun; the rays of the sun
polaradj: relating to, or close to, the North or South Pole; characterized by complete opposites
icecapn: a mass of ice that permanently covers a considerable area of land, typically found in polar regions
hemispheren: half of the terrestrial globe; half of a sphere
plungev: to dive quickly and steeply downward; to thrust or throw into something; (noun) a steep and rapid fall
abyssn: a deep, dark, or seemingly bottomless chasm or void
denseadj: containing a large number of people or something with little space between them
cartoonn: a simple drawing depicting a humorous or critical situation, often accompanied by a caption
continentn: one of the earth’s large landmasses; (adjective) abstaining from your feelings, especially your desire to have sex
extendedadj: longer than usual or anticipated
carbonn: a chemical element that can be found in pure form as diamond or graphite, and it is also an essential part of coal and oil and is found in all plants and animals
oxiden: a chemical compound that contains at least one oxygen atom and one other element
degreen: a unit of measurement for angles, temperature, or level of proficiency or achievement; a rank or level of academic or professional attainment
colleaguen: one of a group of a coworker, especially in a profession or a business
climaten: the weather in a particular location averaged over some long period
transitionn: the process or period of changing from one state or circumstance to another
predictv: to state beforehand that something will happen in the future, mainly based on knowledge or experience
radiationn: the energy that comes from a nuclear reaction in the form of rays, waves, or particles and that can be hazardous to health
drilln: a tool or machine used for making round holes or driving fasteners; a training or practice
icebergn: a large piece of ice floating in the sea, detached from a glacier
trapn: a piece of equipment or hole for catching animals or people; (verb) to catch animals or people and prevent them from escaping
modernadj: of or belonging to the present time or recent times
plateaun: an elevated, relatively level expanse of land, typically vast and extending over a large area; a state or period of little or no change following a period of growth, development, or progress
atmospheren: the mass of air that surrounds the Earth; the pervading tone or mood of a place, situation, or creative work
transportn: a system for moving people or products from one location to another using automobiles, roads, and so on
nutrientn: any substance that is essential for the maintenance and growth of living things
primaryadj: first or highest in rank, order, or importance; most fundamental or essential; pertaining to the initial or introductory stage of something, such as a school year or election cycle
spectacularadj: striking or impressive to look at or in performance or achievement
seamountn: an underwater mountain or volcano that rises from the ocean floor but does not reach the surface, often forming a peak or cone-shaped landform
Atlanticadj: relating to or located near the Atlantic Ocean, which is the second-largest ocean on Earth, located between the continents of North and South America to the west and Europe and Africa to the east
seafloorn: the bottom of the ocean
intenseadj: (especially of a feeling) very strong; extremely sharp or severe
taxonomyn: the classification or scientific study of organisms, including their relationships to each other, based on shared characteristics and traits; a system of organizing and categorizing information in a particular field or subject area
bubblen: a thin, round, and often transparent mass of gas that is surrounded by a thin layer of liquid; a state of economic or social prosperity that is unsustainable and eventually collapses
brittleadj: easily broken, cracked, or shattered when subjected to pressure or stress; lacking flexibility or resilience; fragile
tentaclen: a flexible, mobile, and long arm-like organ used for feeling and holding things, catching food, or moving
calciumn: a chemical element with the symbol Ca and atomic number 20, which is an important mineral for the human body
carbonaten: a carbonic acid salt or ester that contains the anion CO3
basaltn: a dark, fine-grained volcanic rock that forms from the solidification of lava
massiveadj: enormous amount; very heavy and solid
underseaadj: located or occurring beneath the surface of the sea
chartern: a document that grants certain rights or privileges; a contract to hire or lease transportation
vesseln: a ship or large boat
moorn: a large area of open country, typically on high ground, covered with rough grass or heath, especially in Britain
marinern: a sailor or seaman; someone who works or travels on a boat or ship
preciousadj: uncommon and extremely valuable
scurryv: to move hurriedly and with little or no grace, often with sudden changes in direction
terriblyadv: very badly; to a great extent or very much
seasickadj: feeling ill or nauseous as a result of being on a ship or boat that is moving or rocking back and forth in a rough sea; suffering from motion sickness
abundancen: a significant amount of something; the situation in which there is too much of something
overlayv: to place or cover something over or on top of something else; to add a layer of functionality or data on top of another (noun) a layer of material placed on top of a surface, typically to protect or decorate it
cruisen: a voyage on a large ship for pleasure; driving or traveling at a leisurely pace
fractionn: a small part or item forming a piece of a whole; the quotient of two rational numbers
featurelessadj: lacking distinctive qualities, characteristics, or features; plain, unremarkable, or nondescript
deployv: to move troops or weapons into a position or military action; to bring into something in an effective way
equipv: to provide a person or a place with the things that are needed for a particular purpose or activity
remotelyadv: at a distance; not directly or easily accessible
metern: a device used to measure the amount of a particular substance or attribute, such as length, volume, or time; (prosody) the accent in a metrical foot of verse
graden: a particular level of quality, size, importance, etc.
arrayn: a large group or collection of things or people, especially one that is impressive or attractive
definitionn: a concise explanation of the meaning of a word, phrase, or symbol
manipulatev: to influence or control something or someone to your advantage, often in an unfair or dishonest way
divev: to jump into the water with your head and arms going in first, or to move down to a deeper level underwater
spongen: a soft material with many microscopic pores that can absorb a large amount of liquid and is used for washing and cleaning
holothuriann: a marine animal belonging to the class Holothuroidea, commonly known as sea cucumbers, characterized by their elongated bodies and presence in various oceanic environments
slugn: a common name for any terrestrial gastropod mollusk that appears to lack a shell with soft and black or brown color; a bullet, a shot of alcoholic drink
triggerv: to make something happen suddenly; to cause something such as a device, machine, etc. to function
suddenlyadv: quickly and unexpectedly
giantadj: enormous; much bigger or more important than similar items usually are
monstern: an imaginary creature that is large and has various human and animal parts; someone or something large and powerful
rollv: to move in a particular direction by turning over and over or from side to side
pyrolysisn: a chemical reaction that occurs with the application of heat, resulting in the breakdown of material into smaller chemical components or constituents, often involving the release of gases or liquid byproducts
colonialadj: of or relating to a colony (= a territory that is controlled by a more powerful country); to the period of time during which a country or region was a colony
centimetern: a unit of measurement of length in the metric system, equivalent to one-hundredth of a meter
chemicaladj: relating to or connected with chemistry;
phn: a measure of the acidity or alkalinity of a substance, on a scale of 0 to 14, with seven being neutral, lower values indicating greater acidity, and higher values indicating greater alkalinity
skeletonn: the structure of bones in a human or animal body, or a framework of bones or other material that supports a plant
fossiln: any preserved remains, impression, or trace of any once-living thing that has become hard and turned into rock
specimenn: an individual example or sample of something, typically used to represent a larger group or category
reconstructv: to build or form something again that has been damaged or destroyed
vacuumn: a space empty of matter; a device or tool used for cleaning or removing debris by creating suction
branchn: a division of a tree or woody shrub that grows out from the trunk or a main stem; a division of some larger or more complex organization
polishn: a substance used to smooth or shine a surface; the act of smoothing or shining a surface
micronn: a unit of measurement equal to one-millionth of a meter, used for measuring the size of particles and microorganisms
analyzev: to think about in-depth and evaluate to discover essential features or meaning
glacialadj: relating to or resembling a glacier (= a slowly moving mass of ice) or the process of glaciation; characterized by an extremely slow or gradual pace or movement
maximumadj: the largest or greatest amount or value attainable or attained
unpopularadj: not liked, supported, or approved by many people; having an unfavorable reputation
sharkn: a long-bodied, mostly predatory marine fish that has sharp teeth and a pointed fin on its back; a person who is ruthless, greedy, and dishonest
shoveln: a tool with a handle and broad scoop or blade used for digging or moving Earth, coal, snow, or other granular materials
slicen: a flat, often thin, piece of bread, meat, cheese, etc., that has been cut from a larger piece; a wound made by cutting
opticaladj: of or relating to or light or the ability to see; (noun) the science of light and vision, and to instruments and techniques used in the study and application of light
nuclearadj: of or relating to or constituting the nucleus of an atom; deriving destructive energy from the release of atomic energy
reactv: to take action in response to something
inducev: to persuade someone to do something; to cause to act in a specific manner
fissionn: the splitting of an atomic nucleus into two or smaller nuclei, releasing a large amount of energy; the process of breaking something into smaller parts or pieces
decayn: the process or state of rotting or decomposition by natural causes such as the action of bacteria and fungi; (verb) to rot or decompose through natural causes
uraniumn: a chemical element with the symbol U, atomic number 92, that is a dense, silvery-white metal that is radioactive and is used as a fuel for nuclear power plants
distributev: to give something to a large number of individuals, or to spread or furnish something
regardv: to think about or consider somebody or something in a specified way
lasern: a device that emits powerful and narrow light that can be used as a tool to cut metal through a process of optical amplification
thoriumn: a radioactive chemical element with the symbol Th and atomic number 90 that is silvery-white in color and is used as fuel in some nuclear reactors
animationn: the technique of photographing successive drawings or positions of puppets or models to create an illusion of movement when the film is shown as a sequence; enthusiasm and energy in the way you look or behave
illustratev: to provide pictures, photographs, diagrams, etc. in a book or something for explanation
ancientadj: relating to the long ago, particularly the historical period preceding the fall of the Western Roman Empire; very old
densityn: the quality of compactness of a substance
dynamicadj: having a lot of energy, ideas, and enthusiasm, and a strong personality; of or relating to dynamics (= the branch of physics and engineering concerned with the forces that cause motions of bodies)
turbulentadj: marked by a lot of sudden changes, confusion, or uncertainty; characterized by intense activity or agitation
exchangev: to give something and receive something else in return, often with the implication that the items being traded are of equal or comparable value; (noun) the act of giving or taking something in return for something else; a place or system where goods or services can be bought, sold, or traded
essentiallyadv: relating to the essential features or concepts of anything
migratev: to move from one country or region to another and settle there; to move from one place to another periodically or seasonally
oxygenn: the chemical element with the symbol O that is present in air and water and is necessary for people, animals, and plants to live
illustrationn: a picture or diagram in a book, magazine, or newspaper that is used to explain or decorate the text; the act or process of explaining something
intermediateadj: situated between two locations, things, states, etc.; around the middle of a scale of evaluation
environmentn: the natural world such as air, water, and land in which humans, animals, and plants live
slidev: to move or cause to move smoothly along a surface without interruption
appreciatev: to value and acknowledge the worth of someone or something; to be grateful for something or someone