lemon(redirected from Citrus × limon)
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The fruit of Citrus limon (family Rutaceae); a source of citric and ascorbic acid; the freshly expressed juice of the ripe fruit is used as a refrigerant diuretic in fever, in the form of lemonade.
A vitamin C-rich citrus fruit, the leaves of which are thought to be mildly sedative and antibacterial.
lemon[Persian limun, lemon]
Fruit of the tree Citrus limon, containing citric acid. Lemons contain enough vitamin C to prevent or treat scurvy. Lemon may be used in place of vinegar, spices, and aromatic substances by those who cannot use such items.