Part 820

Lu*ta"tion (?), n. [L. lutare, lutatum, to bedaub with mud, fr. lutum mud: cf. F. lutation.] The act or method of luting vessels.

Lute (?), n. [L. lutum mud, clay: cf. OF. lut.] 1. (Chem.) A cement of clay or other tenacious infusible substance for sealing joints in apparatus, or the mouths of vessels or tubes, or for coating the bodies of retorts, etc., when exposed to heat; -- called also luting.

2. A packing ring, as of rubber, for fruit jars, etc.

3. (Brick Making) A straight-edged piece of wood for striking off superfluous clay from mold.

Lute, v. t. [imp. & p. p. Luted; p. pr. & vb. n. Luting.] To close or seal with lute; as, to lute on the cover of a crucible; to lute a joint.

Lute, n. [OF. leut, F. luth; skin to Pr. laút, It. liúto, leúto, Sp. laúd, Pg. alaude; all fr. Ar. al'&?;d; al the + '&?;d wood, timber, trunk or branch of a tree, staff, stick, wood of aloes, lute or harp.] (Mus.) A stringed instrument formerly much in use. It consists of four parts, namely, the table or front, the body, having nine or ten ribs or "sides," arranged like the divisions of a melon, the neck, which has nine or ten frets or divisions, and the head, or cross, in which the screws for tuning are inserted. The strings are struck with the right hand, and with the left the stops are pressed.

Lute, v. i. To sound, as a lute. Piers Plowman. Keats.

Lute, v. t. To play on a lute, or as on a lute.

Knaves are men That lute and flute fantastic tenderness.

Tennyson.

Lute"-backed` (?), a. Having a curved spine.

Lu*te"ic (?), a. (Chem.) (a) Pertaining to, or derived from, weld (Reseda luteola). (b) Pertaining to, or designating, an acid resembling luteolin, but obtained from the flowers of Euphorbia cyparissias.

Lu"te*in (?), n. [From corpus luteum.] (Physiol. Chem.) A substance of a strongly marked yellow color, extracted from the yelk of eggs, and from the tissue of the corpus luteum.

Lut"e*nist (?), n. Same as Lutanist.

Lu"te*o- (?). [L. luteus.] (Chem.) A combining form signifying orange yellow or brownish yellow.

Lu"te*o*co*balt"ic (?), a. (Chem.) Pertaining to, or designating, certain compounds of cobalt having a yellow color. Cf. Cobaltic.

Luteocobaltic chloride (Chem.), a brilliant reddish yellow crystalline compound, Co2Cl6(NH3)12, obtained by the action of ammonium chloride on an ammoniacal solution of cobaltic chloride.

Lu"te*o*lin (?), n. [From NL. Reseda luteola, fr. L. luteolus yellowish, fr. luteus: cf. F. lutéoline. See Luteous.] (Chem.) A yellow dyestuff obtained from the foliage of the dyer's broom (Reseda luteola).

Lu"te*ous (?), a. [L. luteus, fr. lutum dyer's broom, weld, which is used as a yellow dye.] Yellowish; more or less like buff.

Lut"er (?), n. [From 3d Lute.] One who plays on a lute.

Lut"er, n. [From Ist Lute.] One who applies lute.

Lu*tes"cent (?), a. [L. luteus yellow.] Of a yellowish color.

Lute"string` (?), n. [Corrupted fr. lustring.] A plain, stout, lustrous silk, used for ladies' dresses and for ribbon. Goldsmith.

Luth (?), n. [F.] (Zoöl.) The leatherback.

Lu"ther*an (?), a. (Eccl. Hist.) Of or pertaining to Luther; adhering to the doctrines of Luther or the Lutheran Church.

Lu"ther*an, n. (Eccl. Hist.) One who accepts or adheres to the doctrines of Luther or the Lutheran Church.

{ Lu"ther*an*ism, Lu"ther*ism } (?), n. The doctrines taught by Luther or held by the Lutheran Church.

Lu"thern (?), n. [F. lucarne a dormer, dormer window, garret window, L. lucerna lamp, fr. lucere to be light or clear, fr. lux light. See Light, n., and cf. Lucarne.] (Arch.) A dormer window. See Dormer.