stimulant
UK/'stɪmjʊl(ə)nt/US/'stimjulәnt/
TOEFLGREB2
Definitions
n.
A substance that raises physiological or nervous activity, such as caffeine.
兴奋剂，提神物
n.
Anything that rouses activity or enthusiasm.
促进因素，激励物
Root Breakdown
Root-derivedstimul- (goad) + -ant (a thing that does it) = a thing that goads — that pokes the body or mind into higher activity. Most often a substance (caffeine, nicotine) that speeds up the nervous system.
Root stinct still carries 42 more wordsCommon Collocations
- 1.mild stimulant温和的兴奋剂
- 2.powerful stimulant强力兴奋剂
- 3.natural stimulant天然兴奋物质
- 4.stimulant drug兴奋类药物
- 5.use stimulants使用兴奋剂
Example Sentences
- 1.
Coffee is the most widely used stimulant in the world.
- 2.
Athletes are banned from taking certain stimulants before competitions.