The bright-eyed perch with fins of Tyrian dye.
Pope.
Tyrian purple, or Tyrian dye, a celebrated purple dye prepared in
ancient Tyre from several mollusks, especially Ianthina, Murex, and
Purpura. See the Note under Purple, n., 1, and Purple of mollusca,
under Purple, n.
Tyr"i*an, n. [L. Tyrius.] A native of Tyre.
Ty"ro (?), n.; pl. Tyros (#). [L. tiro a newlylevied soldier, a
beginner.] A beginner in learning; one who is in the rudiments of any
branch of study; a person imperfectly acquainted with a subject; a
novice. [Written also tiro.]
The management of tyros of eighteen Is difficult.
Cowper.
Ty"ro*cin*y (?), n. [L. tirocinium first service or trial, fr. tiro.
See Tyro.] The state of being a tyro, or beginner; apprenticeship.
[Obs.] Blount.
Tyr"o*lite (?), n. [From Tyrol, where it occurs.] (Min.) A translucent
mineral of a green color and pearly or vitreous luster. It is a hydrous
arseniate of copper.
Ty"ro*nism (?), n. The state of being a tyro, or beginner. [Written
also tironism.]
Tyr"o*sin (?), n. [Gr. &?; cheese.] (Physiol. Chem.) A white
crystalline nitrogenous substance present in small amount in the
pancreas and spleen, and formed in large quantity from the
decomposition of proteid matter by various means, — as by pancreatic
digestion, by putrefaction as of cheese, by the action of boiling
acids, etc. Chemically, it consists of oxyphenol and amidopropionic
acid, and by decomposition yields oxybenzoic acid, or some other benzol
derivative. [Written also tyrosine.]
Tyr`o*tox"i*con (?), n. [NL., fr. Gr. &?; cheese + &?;. See Toxic.]
(Physiol. Chem.) A ptomaine discovered by Vaughan in putrid cheese and
other dairy products, and producing symptoms similar to cholera
infantum. Chemically, it appears to be related to, or identical with,
diazobenzol.
Tyr`o*tox"ine (?), n. Same as Tyrotoxicon.
Ty"son*ite (?), n. [After S. T. Tyson.] (Min.) A fluoride of the cerium
metals occurring in hexagonal crystals of a pale yellow color. Cf.
Fluocerite.
Ty"stie (?), n. [Cf. Icel. þeisti, Norw. teiste.] (Zoöl.) The black
guillemot. [Prov. Eng.]
Tythe (?), n. See Tithe.
Tyth"ing (?), n. See Tithing.
Tzar (?), n. The emperor of Russia. See Czar.
{ Tza*ri"na (?), Tza*rit"za (?), } n. The empress of Russia. See
Czarina.
Tzet"ze (?), n. (Zoöl.) Same as Tsetse.
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