ephedrine
/ɪˈfɛ.dɹɪn/
Word Rarity
Very rare
Frequency: 2.36 in modern English
15
Scrabble Score
9
Letters
3
Syllables
7
Unique Chars
Meaning
noun
A crystalline alkaloid drug C₁₀H₁₅NO obtained from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine. It causes constriction of the blood vessels and widening of the bronchial passages and is used in the form of its hydrochloride or sulfate to relieve asthma and hay fever.
Countable; Uncountable
Example Sentences
- "The great advantage of ephedrine is its effectiveness if taken as a pill, whereas adrenaline works only if injected or inhaled."
Etymology
From ephedra + -ine.
Regional Pronunciation
- American English: /ɪˈfɛ.dɹɪn/
- British English: /ˈɛf.ə.dɹiːn/