Part 813

Lu"ni*cur"rent (?), a. [L. luna moon + E. current.] Having relation to changes in currents that depend on the moon's phases. Bache.

Lu"ni*form (?), a. [L. luna moon + -form: cf. F. luniforme.] Resembling the moon in shape.

Lu"ni*so"lar (?), a. [L. luna moon + E. solar: cf. F. lunisolaire.] Resulting from the united action, or pertaining to the mutual relations, of the sun and moon.

Lunisolar precession (Astron.), that portion of the annual precession of the equinoxes which depends on the joint action of the sun and moon. -- Lunisolar year, a period of time, at the end of which, in the Julian calendar, the new and full moons and the eclipses recur on the same days of the week and month and year as in the previous period. It consists of 532 common years, being the least common multiple of the numbers of years in the cycle of the sun and the cycle of the moon.

Lu"ni*stice (?), n. [L. luna moon + sistere to cause to stand. Cf. Solstice.] (Astron.) The farthest point of the moon's northing and southing, in its monthly revolution. [Obs.]

Lu"ni*tid`al (?), a. Pertaining to tidal movements dependent on the moon. Bache.

Lunitidal interval. See Retard, n.

Lunt (?), n. [D. lont; akin to Dan. & G. lunte, Sw. lunta. Cf. Link a torch.] 1. The match cord formerly used in firing cannon.

2. A puff of smoke. [Scotch.] Burns.

||Lu"nu*la (?), n.; pl. Lunulæ (#). [L., prop., a little moon. See ||Lunule.] (Anat. & Zoöl.) Same as Lunule. || Lu"nu*lar (?), a. [Cf. F. lunulaire. See Lunula.] (Bot.) Having a form like that of the new moon; shaped like a crescent.

{ Lu"nu*late (?), Lu"nu*la`ted (?), } a. [See Lunula.] (Bot. & Zoöl.) Resembling a small crescent. Gray.

Lu"nule (?), n. [F., fr. L. lunula, dim. of luna moon.] 1. (Anat.) Anything crescent-shaped; a crescent-shaped part or mark; a lunula; a lune.

2. (Chem.) A lune. See Lune.

3. (Zoöl.) (a) A small or narrow crescent. (b) A special area in front of the beak of many bivalve shells. It sometimes has the shape of a double crescent, but is oftener heart-shaped. See Illust. of Bivalve.

Lu"nu*let (?), n. [Dim. of lunule.] (Zoöl.) A small spot, shaped like a half-moon or crescent; as, the lunulet on the wings of many insects.

Lu"nu*lite (?), n. [Lunule + -life: cf. F. lunulithe. See Lunula.] (Paleon.) Any bryozoan of the genus Lunulites, having a more or less circular form.

Lu"ny (?), a. [Shortened fr. lunatic.] Crazy; mentally unsound. [Written also loony.] [Low, U.S.]

Lu*per"cal (?), a. Of or pertaining to the Lupercalia.

Lu*per"cal, n. A grotto on the Palatine Hill sacred to Lupercus, the Lycean Pan.

||Lu`per*ca"li*a (?), n. pl. [L. luperealis, fr. Lupercus the Lycean ||Pan, so called fr. lupus a wolf, because he kept off the wolves.] ||(Rom. Antiq.) A feast of the Romans in honor of Lupercus, or Pan. || Lu"pine (?), n. [L. lupinus, lupinum, apparently fr. lupinus belonging to a wolf, fr. lupus a wolf; perh. so called because it was supposed to exhaust the soil: cf. F. lupin. Cf. Wolf.] (Bot.) A leguminous plant of the genus Lupinus, especially L. albus, the seeds of which have been used for food from ancient times. The common species of the Eastern United States is L. perennis. There are many species in California.

Lu"pine (?), a. [See Lupine, n.] Wolfish; ravenous. Gauden.

Lu"pin*in (?), n. (Chem.) A glucoside found in the seeds of several species of lupine, and extracted as a yellowish white crystalline substance.

Lu"pin*ine (?), n. (Chem.) An alkaloid found in several species of lupine (Lupinus luteus, L. albus, etc.), and extracted as a bitter crystalline substance.

Lu"pu*lin (?), n. [Cf. F. lupulin. See Lupuline.] 1. (Chem.) A bitter principle extracted from hops.

2. The fine yellow resinous powder found upon the strobiles or fruit of hops, and containing this bitter principle. [Written also lupuline.]

Lu"pu*line (?), n. [NL. lupulus the hop, fr. L. lupus the hop: cf. F. lupuline.] (Chem.) An alkaloid extracted from hops as a colorless volatile liquid.

Lu`pu*lin"ic (?), a. (Chem.) Pertaining to, or obtained from, hops; specifically, designating an acid obtained by the decomposition of lupulin.

||Lu"pus (?), n. [L., a wolf. See Wolf.] 1. (Med.) A cutaneous disease ||occurring under two distinct forms. || Lupus erythematosus is characterized by an eruption of red patches, which become incrusted, leaving superficial scars. L. vulgaris is marked by the development of nodules which often ulcerate deeply and produce great deformity. Formerly the latter was often confounded with cancer, and some varieties of cancer were included under Lupus.