GRE Word List

CATALYST

a substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions (as at a lower temperature) than otherwise possible

The meaning of the word catalyst is a substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions (as at a lower temperature) than otherwise possible.

Random words

WordMeaning
bogwet spongy ground
ghastlyterrifyingly horrible to the senses : frightening
fathomlessincapable of being fathomed : immeasurable
offhandwithout premeditation or preparation : extempore
authenticateto prove or serve to prove to be real, true, or genuine
derisionthe use of ridicule or scorn to show contempt
zeniththe point of the celestial sphere that is directly opposite the nadir and vertically above the observer see azimuth illustration
discernibleable to be perceived by a sense (such as sight or smell) or by the mind : capable of being discerned
egressa place or means of going out : exit
laudpraise