1. (Min.) A kind of crystallite resembling a bunch of hairs, common in
obsidian. See Illust. of Crystallite.
2. (Zoöl.) A delicate, hairlike siliceous spicule, found in certain
sponges.
Trichite sheaf (Zoöl.), one of the small sheaflike fascicles of slender
setæ characteristic of certain sponges. See Illust. under Spicule.
Trich`i*u"ri*form (?), a. (Zoöl.) Like or pertaining to the genus
Trichiurus or family Trichiuridæ, comprising the scabbard fishes and
hairtails.
Trich`i*u"roid (?), a. [Trichiurus + -oid.] (Zoöl.) Of, like, or
pertaining to, Trichiurus.
||Trich`i*u"rus (?), n. [NL., fr. Gr. tri`x, tricho`s, a hair + o'yra`
||tail.] (Zoöl.) A genus of fishes comprising the hairtails. See
||Hairtail.
||
Tri*chlo"ride (?), n. [Pref. tri- + chloride.] (Chem.) A chloride
having three atoms of chlorine in the molecule.
||Trich`o*bran"chi*a (?), n. [NL., fr. Gr. tri`x, tricho`s, hair +
||branchia.] (Zoöl.) The gill of a crustacean in which the branchial
||filaments are slender and cylindrical, as in the crawfishes.
||
Trich"o*cyst (?), n. [Gr. tri`x, tricho`s, a hair + &?; bag.] (Zoöl.) A
lasso cell.
Trich"o*gyne (?), n. [F., fr. Gr. tri`x, tricho`s, hair + &?; woman,
female.] (Bot.) The slender, hairlike cell which receives the
fertilizing particles, or antherozoids, in red seaweeds. —
Trich`o*gyn"ic (#), a.
Tri*chom"a*nes (?), n. [L., a kind of plant, from Gr. &?;.] (Bot.) Any
fern of the genus Trichomanes. The fronds are very delicate and often
translucent, and the sporangia are borne on threadlike receptacles
rising from the middle of cup-shaped marginal involucres. Several
species are common in conservatories; two are native in the United
States.
Tri*chom"a*tose` (?), a. [Gr. &?;, &?;, a growth of hair.] (Med.)
Affected with a disease which causes agglutination and matting
together; — said of the hair when affected with plica. See Plica, 1.
Trich"ome (?), n. [See Trichomatose.] (Bot.) A hair on the surface of
leaf or stem, or any modification of a hair, as a minute scale, or
star, or gland. The sporangia of ferns are believed to be of the nature
of trichomes. — Tri*chom"a*tous (#), a.
Trich"o*phore (?), n. [Gr. tri`x, tricho`s, hair + &?; to bear.] 1.
(Bot.) The special cell in red algæ which produces or bears a
trichogyne. See Illust. of Trichogyne.
2. (Zoöl.) One of the saclike organs from which the setæ of annelids
arise.
— Trich`o*phor"ic (#), a.
Tri*chop"ter (?), n. (Zoöl.) One of the Trichoptera.
||Tri*chop"te*ra (?), n. pl. [NL., fr. Gr. tri`x, tricho`s, a hair +
||&?; wing.] (Zoöl.) A suborder of Neuroptera usually having the wings
||covered with minute hairs. It comprises the caddice flies, and is
||considered by some to be a distinct order.
||
Tri*chop"ter*an (?), (Zoöl.) One of the Trichoptera.
Tri*chop"ter*ous (?), a. (Zoöl.) Of, pertaining to, or characterizing,
the Trichoptera.
Tri"chord (?), n. [Gr. &?; three stringed; &?; (see Tri-) + &?; chord,
or string.] (Mus.) An instrument, as a lyre or harp, having three
strings.
||Trich`o*scol"i*ces (?), n. pl. [NL., from Gr. tri`x, tricho`s, hair +
||skw`lhx a worm.] (Zoöl.) An extensive group of wormlike animals
||characterized by being more or less covered with cilia.
||
Tri*chot"o*mous (?), a. [See Trichotomy.] Divided into three parts, or
into threes; three- forked; as, a trichotomous stem. Martyn.
Tri*chot"o*my (?), n. [Gr. tri`cha threefold, in three parts + te`mnein
to cut or divide: cf. F. trichotomie.] Division into three parts.
Tri*chro"ic (?), a. Exhibiting trichroism; pleochroic; pleochroism.
Tri"chro*ism (?), n. [Pref. tri- + Gr. &?; color: cf. F. trichroïsme.]
(Min.) The quality possessed by some crystals of presenting different
colors in three different directions.
Tri`chro*mat"ic (?), a. [Pref. tri- + chromatic.] (Zoöl.) Having or
existing in three different phases of color; having three distinct
color varieties; — said of certain birds and insects.
Tri*chro"ma*tism (?), n. (Zoöl.) The quality, state, or phenomenon of
being trichromatic.
Tri*chro"mic (?), a. [Pref. tri- + Gr. &?; color.] (Opt.) Of,
pertaining to, or consisting of, three colors or color sensations.
Tri*chro"mic, a. [Pref. tri- + chromic.] (Chem.) Containing three atoms
of chromium.
Tri*cip"i*tal (?), a. [See Triceps.] (Anat.) Having three heads, or
three origins; as, a tricipital muscle.
Trick (?), n. [D. trek a pull, or drawing, a trick, trekken to draw;
akin to LG. trekken, MHG. trecken, trechen, Dan. trække, and OFries.
trekka. Cf. Track, Trachery, Trig, a., Trigger.] 1. An artifice or
stratagem; a cunning contrivance; a sly procedure, usually with a
dishonest intent; as, a trick in trade.
He comes to me for counsel, and I show him a trick.
South.