excitant
/'eksitənt/
Học thuậtThân thiện
Definition
Adjective:
- Stimulating or exciting: Describes something, especially a substance or influence, that has the ability to arouse, invigorate, or increase physiological or nervous activity.
Noun:
- A stimulant: A substance, especially a drug, that temporarily increases the activity of the body or a specific bodily function.
Usage Examples
Adjective:
- The excitant effects of caffeine are well-documented.
- The speaker's excitant rhetoric energized the crowd.
Noun:
- Coffee is a common excitant.
- The doctor warned against the overuse of excitants.
Advanced Usage
- Technical/Medical Context: Often used in pharmacology and medicine to describe substances that stimulate the central nervous system.
- The study focused on the pharmacokinetics of various excitants.
Variants and Related Words
- Excite (verb): To stir up or arouse feelings or activity.
- Excitation (noun): The act of exciting or the state of being excited; stimulation.
- Excitatory (adjective): Tending to excite or cause excitation, often used in neuroscience (e.g., excitatory neurons).
Synonyms
- Adjective: Stimulating, invigorating, arousing.
- Noun: Stimulant, energizer, upper (informal).
Antonyms
- Adjective: Sedative, depressant, calming.
- Noun: Depressant, sedative, downer (informal).
Related Phrases
- Excitant drug: A drug that acts as a stimulant.
- Amphetamines are classified as powerful excitant drugs.
Adjective
- (of drugs e.g.) able to excite or stimulate
Noun
- a drug that temporarily quickens some vital process