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 (87 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
Podcast
YouTube Post
Vocabulary Builder
Advanced Words (20 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.
| Word | Meaning | Advanced |
|---|---|---|
| radiation | n: the energy that comes from a nuclear reaction in the form of rays, waves, or particles and that can be hazardous to health | |
| tempting | adj: likely to attract or persuade someone to do something, especially something that may not be wise or safe | |
| frightening | adj: causing fear or alarm, or very surprising and alarming | |
| mutation | n: the way in which genes of a person, plant, animal, or other organism change and produce permanent differences | |
| rainbow | n: an arch of colors in the sky caused by the refraction and dispersion of sunlight through rain | |
| examine | v: to study or consider a person or object attentively and thoroughly to learn something about them | |
| X-ray | n: a type of electromagnetic radiation that has a wavelength shorter than visible light allowing hidden objects such as bones and organs inside the body to be photographed | |
| phenomenon | n: something that exists and can be perceptible, especially one that is not fully understood | |
| electromagnetic | adj: of or relating to the magnetism produced by electric charge in motion | |
| nuclear | adj: of or relating to or constituting the nucleus of an atom; deriving destructive energy from the release of atomic energy | |
| consist | v: to be composed or made up of | |
| interact | v: to communicate or react with somebody | |
| electrical | adj: relating to electricity | |
| magnetic | adj: having the properties of attracting or repelling certain materials containing iron or steel | |
| oscillate | v: to swing or move back and forth like a pendulum or a wave; to fluctuate or alternate between two points or states; to hesitate or be indecisive | |
| spectrum | n: an ordered array of colors into which a light beam can be split | |
| infrared | adj: relating to or denoting electromagnetic radiation with a wavelength just longer than that of red light but shorter than that of microwave radiation, used for sensing heat and for remote control | |
| visible | adj: capable of being seen; or open to easy view | |
| ultraviolet | adj: relating to or occupying the part of the spectrum beyond the violet end, especially radiation | |
| gamma | n: the third letter of the Greek alphabet; a type of radiation having the shortest wavelength and highest energy of electromagnetic waves | |
| ray | n: a narrow line of light, heat, or another form of energy | |
| modern | adj: of or belonging to the present time or recent times | |
| detect | v: to find or recognize something, especially something difficult to see, hear, etc. | |
| download | v: to transfer data or files from the Internet or computer network to a user’s computer or device; (noun) the process of transferring data or information from a remote or central computer to a local computer or device | |
| emit | v: to give off or send out something such as light, heat, sound, gas, etc. | |
| origin | n: the first existence or beginning of something | |
| atomic | adj: of or relating to atom (= the smallest component of an element) | |
| nucleus | n: the central and most important part of something; (biology) a part of the cell containing DNA and RNA and responsible for growth and reproduction; (physics) the very dense central region of an atom | |
| proton | n: a very small particle with a positive charge equal to the negative charge of an electron that forms part of the nucleus of all atoms | |
| repel | v: to force an attack or attacker to withdraw or retreat | |
| mutual | adj: common to or shared by two or more parties | |
| struggle | v: to make a great effort to do something when it is difficult, or there are a lot of problems; to use force or violence to break away from restraint or constriction | |
| overcome | v: to succeed in controlling or dealing with something, such as a problem or difficulty; to defeat or overwhelm someone | |
| repulsion | n: a feeling of intense disgust or dislike; a physical force that resists the approach or contact of two objects | |
| intact | adj: undamaged and complete | |
| combination | n: a collection of things that have been combined; an assemblage of separate parts or qualities | |
| neutron | n: a subatomic particle with no electric charge that is present in all atomic nuclei except those of ordinary hydrogen | |
| isotope | n: a variation of an element that has the same number of protons in its nucleus but a different number of neutrons, resulting in a different atomic mass and often different physical or chemical properties | |
| unstable | adj: lacking solidity, persistence, or firmness and therefore not strong, safe, or likely to continue; lacking control of one’s emotions | |
| radioactive | adj: emitting powerful and dangerous energy when the nuclei (= central parts) of atoms are broken up | |
| random | adj: made, done, or happening without method, conscious decision, or any regular pattern | |
| eject | v: to force someone to put out or leave a particular place or position | |
| achieve | v: to successfully complete a task or goal, often through hard work, perseverance, and dedication; to attain or accomplish something that one has set out to do | |
| stability | n: the quality or attribute of being firm and steadfast | |
| radon | n: a chemical element with the atomic number 86 and symbol Rn that is a radioactive gas and comes from the decay of uranium in rocks and soil, and that is colorless, odorless, and tasteless and can cause cancer if inhaled in large amounts | |
| seep | v: to flow or leak slowly and gradually through small openings or spaces; to ooze or trickle out gradually | |
| refine | v: to make something more pure, polished, cultured, or effective; to improve, perfect, or enhance through a process of purification or development | |
| naturally | adv: as might be expected; by natural manners | |
| fuel | n: a substance that is typically burned to generate heat or energy | |
| trace | v: to find or discover someone or something that was lost | |
| potassium | n: a chemical element with the symbol K, atomic number 19, that is essential for the functioning of living organisms | |
| hazardous | adj: involving risk or danger; unsafe or unhealthy | |
| risky | adj: involving the possibility of danger, failure, or loss | |
| rip | v: to tear something or be torn violently or suddenly | |
| atom | n: the smallest unit of ordinary matter that forms a chemical element, composed of a nucleus and one or more electrons bound to the nucleus | |
| electron | n: a tiny particle with the negative electrical charge | |
| process | n: a series of actions or operations performed to achieve a particular outcome or goal; a systematic procedure or approach used to accomplish a specific task or objective; a method of treating milk to make it suitable for consumption or use in other dairy products | |
| damage | v: to harm or cause injury to something or someone, often resulting in decreased value or functionality; to impair or negatively affect something, such as a reputation or relationship; (noun) harm or injury that is caused to a person, thing, or entity | |
| ion | n: an atom or molecule that has a positive or negative electrical charge caused by its losing or gained one or more electrons | |
| precaution | n: a measure taken in advance to prevent harm, danger, or injury; foresightfulness | |
| shield | n: a protective covering or structure, especially in the past, that soldiers held in front of their bodies to protect themselves | |
| partygoer | n: a person who attends or participates in social events, particularly parties or gatherings that involve drinking, dancing, and socializing with others | |
| sunscreen | n: a substance, typically a lotion or spray, that is applied to the skin to protect it from the harmful effects of the sun’s ultraviolet (UV) rays | |
| comparison | n: the consideration or examination of the similarities between two or more people or things | |
| microwave | n: a form of electromagnetic radiation with wavelengths ranging from about one millimeter to one meter and frequencies between 300 MHz (0.3 GHz) and 300 GHz; an electric oven that cooks food by exposing it to high-frequency electromagnetic radiation, which causes the food molecules to vibrate and heat up quickly | |
| acute | adj: extremely sharp or severe | |
| exposure | n: the state of being in a particular situation or place where there is no protection from or guarantee to something harmful; the disclosure of something secret | |
| overwhelm | v: to defeat someone or something by using a great deal of force; to have a strong emotional effect on somebody | |
| trigger | v: to make something happen suddenly; to cause something such as a device, machine, etc. to function | |
| cancer | n: abnormal growth of cells that can invade and destroy surrounding tissues and organs; a disease characterized by the uncontrolled growth and spread of abnormal cells | |
| cellular | adj: of or connected with the cells of animals or plants; of or connected with a mobile telephone system that uses several short-range radio stations instead of wires | |
| dysfunction | n: a problem or fault in a system, organism, or part of the body or machine | |
| fortunate | adj: having good luck or lucky | |
| exposed | adj: having no protection or shield from something, such as bad weather, attack, or criticism | |
| human-made | adj: created or produced by humans; artificial | |
| quants | n: quantitative analysts or individuals who specialize in using quantitative methods, including mathematical and statistical modeling, in analyzing financial markets and making investment decisions | |
| manifest | v: to show something such as feeling, attitude, quality, etc. clearly through signs or actions | |
| sievert | n: a unit of measurement for radiation dose equivalence used to assess the biological effects of ionizing radiation on living tissue, which measures the potential health risks posed by different types and levels of radiation exposure | |
| nausea | n: a feeling of sickness or discomfort in the stomach that is often accompanied by an urge to vomit; a sensation of loathing or disgust | |
| norm | n: something that is regarded as usual, typical, or standard | |
| dental | adj: of or relating to teeth | |
| rack | n: a framework or support structure used to hold or display objects; a set of interconnected shelves or compartments used for storage; a source of torture, distress, or mental anguish | |
| absorb | v: to take in a fluid or other substance gradually | |
| ionize | v: to convert atoms or molecules into ions by gaining or losing electrons, typically as a result of exposure to high temperatures, strong radiation, or electrical discharge | |
| remainder | n: the part of something that is left over when the rest has been used or taken | |
| associate | v: to mentally connect someone or something with someone or something else | |
| pioneer | n: inventor; explorer; someone who is among the first to achieve something |
