viagra
viagra — noun
1. a drug that helps men who have difficulty getting or keeping an erection, by inc
a drug that helps men who have difficulty getting or keeping an erection, by increasing blood flow to the penis
Madison's husband felt relieved when his doctor prescribed Viagra for his condition.
passive: be prescribed Viagra for [condition]
After the Viagra patent expired, several drug companies began selling cheaper generic versions.
collocation: patent expires / generic version
Faisal asked his doctor whether Viagra would interact with his heart medication.
The comedian made a joke about Viagra during his show, and the audience burst out laughing.
用法筆記
Viagra is a trademarked brand name and is usually capitalized. In everyday conversation, it is sometimes used informally to refer to any medication for erectile dysfunction, though the correct generic term is "sildenafil."