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All Words (94 Words)

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Advanced Words (18 Words)

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Word List

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Word	Meaning	Advanced
gasoline	n: a volatile flammable liquid obtained from petroleum, used mainly as a fuel in car engines, etc.
battery	n: a device that is placed inside a car, gadget, equipment, etc. and that provides electrical power to them
expend	v: to use or spend time, money, energy, etc.
recyclability	n: the degree to which a material or product can be reused or repurposed after it has served its original function, without requiring significant modifications or environmental harm
chemical	adj: relating to or connected with chemistry;
advantage	n: a condition or circumstance that puts one in a favorable or superior position; a beneficial feature or asset that someone or something has
release	v: to set free or allow to escape from confinement
electron	n: a tiny particle with the negative electrical charge
typical	adj: having the usual characteristics or traits of a specific group of things
alkaline	adj: having a pH greater than 7, meaning it is basic rather than acidic; having properties or characteristics similar to an alkali
zinc	n: a metallic element that is found in small amounts in the earth’s crust and is used in the manufacture of brass and alloys, and is required to maintain human’s health
react	v: to take action in response to something
hydroxide	n: a chemical compound characterized by the presence of one or more hydroxyl groups (-OH), which can either act as a base or be neutralized by an acid to form a salt or water
ion	n: an atom or molecule that has a positive or negative electrical charge caused by its losing or gained one or more electrons
oxide	n: a chemical compound that contains at least one oxygen atom and one other element
negative	adj: having the quality of something bad or harmful; expressing refusal
terminal	n: a building or place where buses, trains, or airplanes stop and where passengers or goods can be picked up or dropped off; (adjective) of or situated at the ends of a delivery route
bulb	n: a rounded underground storage organ of some plants from which the plant grows; the rounded part of a cylindrical structure; electric lamp consisting of a glass ball
manganese	n: a chemical element with the symbol Mn and atomic number 25, commonly used in steel production and other alloys
combination	n: a collection of things that have been combined; an assemblage of separate parts or qualities
graphite	n: a soft, black, lustrous form of carbon that is conductive and used as a lubricant and in pencils and electrodes in electrical devices
reaction	n: a response that reveals a person’s feelings or attitude; (in chemistry) a process in which one or more substances are changed into others
stream	n: a small, narrow river; a continuous flow of something, such as liquid, gas, people, vehicles, etc.
theoretical	adj: relating to the concepts and principles upon which a particular topic is founded, rather than practice and experience
recharge	v: to restore the energy or power of something by supplying it with more energy or power; to refresh or renew oneself by rest or sleep
liquid	n: a substance, such as water or oil that flows freely and is neither a solid nor a gas
hydrocarbon	n: an organic compound consisting entirely of hydrogen and carbon
molecule	n: a group of two or more atoms held together by attractive forces known as chemical bonds
convert	v: to have a talk with someone; (adjective) reversed in order, relation, or action
exhaust	n: the system in a vehicle that removes waste gases from the engine; (verb) to make someone completely tired
reverse	v: to change something’s direction, order, position, decision, etc., to the opposite one; (adjective) directed or moving toward the rear
bunch	n: a grouping of several similar things which are growing or fastened together
useless	adj: not serving any useful purpose; having no practical result
contaminate	v: to make something impure, unclean, or poisonous by contact or mixture
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
internal	adj: of or relating to the inside of something
structure	n: the way of construction of something and the arrangement of its parts, or a complex thing constructed of many parts
electrical	adj: relating to electricity
engineer	n: a person whose job is designing, building, or maintaining something such as machines, structures, or software
lithium	n: a soft, silvery-white metal that is highly reactive and used in batteries, alloy production, and medications for bipolar disorder
atomic	adj: of or relating to atom (= the smallest component of an element)
dock	n: a structure or platform that extends from the shoreline into a body of water, used for loading and unloading ships or boats; an enclosed area of water used as a basin for shipping or pleasure boats; a place where a ship can be repaired or maintained
circuit	n: (in electrical engineering) an electrical device that provides a path for electrical current to flow; a journey or route around a particular place or area
orderly	adj: clean or organized in a neat, careful and logical way
opposition	n: the act of disagreeing or resisting; the state of strong disagreement
veer	v: to change direction suddenly or sharply; to turn or swerve from one course or direction to another
engage	v: to attract and keep someone’s attention and interest; to participate in or obtain services of something
resistance	n: the act of defending oneself from an aggressor or refusing to accept something
efficiency	n: the state or quality of doing something well with no waste of input such as time or money
inevitably	adv: in a manner that cannot be avoided or prevented
recycle	v: to sort and collect things to process them and produce valuable materials that can be used again
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
melt	v: to turn from something solid into something soft or liquid as a result of heating
metallic	adj: relating to or resembling metal; having a shiny, silvery, or reflective quality; characterized by strength, durability, or toughness
impure	adj: mixed with other substances or foreign matter; (of persons or behaviors) immoral or obscene, especially in sexual matters
initial	adj: of or happening at the beginning; (noun) the first letter of a word, especially a person’s name
unfortunately	adv: by bad luck; unluckily
toss	v: to throw something carelessly with a light motion
complicated	adj: involving a lot of different things or parts in a way that is difficult to understand or analyze
absolutely	adv: without restriction or limitation; completely or utterly
critic	n: someone who expresses opinions about the quality of books, music, etc.
toxic	adj: of or relating to or caused by a poison; poisonous
leak	v: to allow liquid or gas to get in or out from a hole or crack in a pipe or container
environment	n: the natural world such as air, water, and land in which humans, animals, and plants live
conserve	v: to protect something, especially the natural environment or culture, from change, damage, or destruction
scarce	adj: not abundant or plentiful, and therefore not easy to find or obtain
vital	adj: necessary for the success or continued existence of something
emission	n: the act of production or sending out gas, heat, light, etc.
laptop	n: a portable computer that is small enough to be carried around easily and used on your lap
manufacture	v: to make goods in large numbers, usually in a factory using machines
intricate	adj: having many different parts and small details that all work together
component	n: one of several parts that combines with others to form something bigger
indestructible	adj: impossible to destroy or damage beyond repair
glue	n: a sticky substance used for joining things together; a bonding agent made from animal or synthetic materials
regulation	n: an official rule made and maintained by a government or some other authority; the act of controlling or directing something according to a rule
define	v: to state or explain precisely the nature, scope, or meaning of something
responsible	adj: answerable or accountable for something within one’s power, control, or management
boost	v: to improve, raise, or increase something
dramatically	adv: in a very impressive manner
acid	n: sour; water-soluble chemicals with a sour flavor; any of a variety of generally liquid compounds capable of reacting with and occasionally dissolving other materials
stringent	adj: strict, severe, or demanding; requiring close attention to rules or regulations; extreme or excessive in some way
byproduct	n: a secondary or incidental product produced in the manufacture or synthesis of something else
addition	n: the act or process of adding something to something else; the process of adding numbers
industrial	adj: of or relating to or resulting from industry
individual	n: a single person or thing, as distinct from a group
technological	adj: based on scientific and industrial progress
evolve	v: to develop gradually, or to cause the development of something or someone gradually
proof	n: a fact or piece of information that shows something is true or exists
concept	n: an idea or principle associated with something abstract
develop	v: to grow or expand; to improve or refine through a process of progress and refinement, often to achieve greater sophistication or complexity; to elaborate or add detail to something that is in the process of being created
ambient	adj: relating to the immediate surroundings of something; creating a particular atmosphere or mood, often through sound or lighting
electrify	v: to make a machine or system work by using electricity; to make someone extremely enthusiastic about or interested in something
priority	n: something that is more important than other things and should be dealt with first
urine	n: a liquid by-product of metabolism in humans and in many other animals that are released from the body when you urinate