Unit 8. Energy | Exercises and Flashcards

Unit 8. Energy, 400 words for TOEFL Exercises and Flashcards

Word	Definition	Example
combustion	burning	Combustion reactions are almost always exothermic
component	one part of a whole	Ford can reduce production time by at least one month by using 3D printers to create a prototype engine components
convey	to transport from one place to another	Personality clues are conveyed in the music's tempo.
discretely	separately, distinctly	He criticizes the idea that subject disciplines can be discretely identified and considered in isolation.
nucleus	a central or essential part	Human skeletal muscle cells have more than one nucleus, as do eukaryotes like fungi
permeate	to spread or flow throughout	A foul smell of stale beer permeated the whole building.
rotate	to turn around, to take turns	The big wheel rotated slowly.
solar	relating to the sun	All of the power for the house comes from solar panels
source	a point of origin	Experts are trying to track down the source of the contamination in the water supply
trigger	to initiate	A spark triggered the explosion.