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. SYN: limon. [L. limon]
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lem·on 'lem-ən n an acid fruit that contains citric acid and vitamin C, is botanically a many-seeded pale yellow oblong berry, and is produced by a small thorny tree of the genus Citrus (C. limon) also this tree
lemon adj
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lem·on (lemґən) 1. Citrus limon. 2. the fruit of C. limon, which contains citric and ascorbic acids, used as an antiscorbutic, and whose peel contains lemon oil.Medical dictionary. 2011.