Lemnian
(Lem"ni*an) a. [L. Lemnius, fr. Lemnus, Gr. Lh^mnos.] Of or pertaining to the isle of Lemnos.
Lemnian bole,
Lemnian earth,
an aluminous earth of a grayish yellow color; sphragide; — formerly
sold as medicine, having astringent properties. — Lemnian reddle, a reddle of firm consistence and
deep red color; — used by artificers in coloring.
Lemniscata
(Lem`nis*ca"ta) Lemniscate
(Lem*nis"cate) n. [L. lemniscatus adorned with ribbons, fr.
lemniscus a ribbon hanging down, Gr. lhmni`skos.] (Geom.) A curve in the form of the figure 8, with
both parts symmetrical, generated by the point in which a tangent to an equilateral hyperbola meets the
perpendicular on it drawn from the center.
Lemniscus
(||Lem*nis"cus) n.; pl. Lemnisci (- si). [L. See Lemniscata.] (Zoöl.) One of two oval bodies
hanging from the interior walls of the body in the Acanthocephala.
Lemon
(Lem"on) n. [F. limon, Per. limun; cf. Ar. laimun, Sp. limon, It. limone. Cf. Lime a fruit.]
1. (Bot.) An oval or roundish fruit resembling the orange, and containing a pulp usually intensely acid.
It is produced by a tropical tree of the genus Citrus, the common fruit known in commerce being that of
the species C. Limonum or C. Medica There are many varieties of the fruit, some of which are sweet.
2. The tree which bears lemons; the lemon tree.
Lemon grass (Bot.),
a fragrant East Indian grass (Andropogon Shœnanthus, and perhaps other allied
species), which yields the grass oil used in perfumery. - - Lemon sole (Zoöl.), a yellow European sole
— Salts of lemon (Chem.), a white crystalline substance, inappropriately named, as it consists of an
acid potassium oxalate and contains no citric acid, which is the characteristic acid of lemon; — called
also salts of sorrel. It is used in removing ink stains. See Oxalic acid, under Oxalic. [Colloq.]