Tab`u*la"tion (?), n. The act of forming into a table or tables; as,
the tabulation of statistics.
Tac (?), n. [Cf. Tack, n., 4.] (O. Eng. Law) A kind of customary
payment by a tenant; — a word used in old records. Cowell. Burrill.
{ Tac"a*ma*hac` (?), Tac`a*ma*ha"ca (?), } n. 1. A bitter balsamic
resin obtained from tropical American trees of the genus Elaphrium (E.
tomentosum and E. Tacamahaca), and also from East Indian trees of the
genus Calophyllum; also, the resinous exhudation of the balsam poplar.
2. (Bot.) Any tree yielding tacamahac resin, especially, in North
America, the balsam poplar, or balm of Gilead (Populus balsamifera).
Ta*caud" (?), n. [Cf. F. tacaud. See Tomcod.] (Zoöl.) The bib, or
whiting pout. [Prov. Eng.]
Tace (?), n. The cross, or church, of St. Antony. See Illust. (6),
under Cross, n. Mollett.
Tace, n. See Tasse. Fairholt.
||Ta"cet (?), v. impers. [L., it is silent, 3d pers.pr. of tacere to be
||silent.] (Mus.) It is silent; — a direction for a vocal or
||instrumental part to be silent during a whole movement.
||
Tache (?), n. [See Tack a kind of nail.] Something used for taking hold
or holding; a catch; a loop; a button. [Obs.] Ex. xxvi. 6.
Tache, n. [F. tache spot. See Techy.] A spot, stain, or blemish. [Obs.]
Warner.
Tach*hy"drite (?), n. [Gr. tachy`s quick + "y`dwr water. So named from
its ready deliquescence.] (Min.) A hydrous chloride of calcium and
magnesium occurring in yellowish masses which rapidly deliquesce upon
exposure. It is found in the salt mines at Stassfurt.
||Tach"i*na (?), n.; pl. Tachinæ (#). [NL., fr. Gr. &?;, for &?;
||swift.] (Zoöl.) Any one of numerous species of Diptera belonging to
||Tachina and allied genera. Their larvæ are external parasites of
||other insects.
||
Ta*chom"e*ter (?), n. [Gr. &?; swiftness, speed (fr. tachy`s quick) +
-meter: cf. F. tachomètre.] An instrument for measuring the velocity,
or indicating changes in the velocity, of a moving body or substance.
Specifically: —
(a) An instrument for measuring the velocity of running water in a
river or canal, consisting of a wheel with inclined vanes, which is
turned by the current. The rotations of the wheel are recorded by
clockwork.
(b) An instrument for showing at any moment the speed of a revolving
shaft, consisting of a delicate revolving conical pendulum which is
driven by the shaft, and the action of which by change of speed moves a
pointer which indicates the speed on a graduated dial.
(c) (Physiol.) An instrument for measuring the velocity of the blood; a
hæmatachometer.
Tach"y*di*dax`y (?), n. [Gr. tachy`s quick + &?; teaching.] A short or
rapid method of instructing. [R.]
||Tach`y*glos"sa (?), n. pl. [NL., fr. Gr. tachy`s quick + &?; tongue.]
||(Zoöl.) A division of monotremes which comprises the spiny ant-eaters
||of Australia and New Guinea. See Illust. under Echidna.
||
{ Tach`y*graph"ic (?), Tach`y*graph"ic*al (?), } a. [Cf. F.
tachygraphique.] Of or pertaining to tachygraphy; written in shorthand.
Ta*chyg"ra*phy (?), n. [Gr. tachy`s quick + -graphy: cf. F.
tachygraphie.] The art or practice of rapid writing; shorthand writing;
stenography. I. Taylor (The Alphabet).
Tach"y*lyte (?), n. [Gr. tachy`s quick + &?; to dissolve.] (Min.) A
vitreous form of basalt; — so called because decomposable by acids and
readily fusible.
Tac"it (?), a. [L. tacitus, p. p. of tacere to be silent, to pass over
in silence; akin to Goth. þahan to be silent, Icel. þegja, OHG. dagn:
cf. F. tacite. Cf. Reticent.] Done or made in silence; implied, but not
expressed; silent; as, tacit consent is consent by silence, or by not
interposing an objection. — Tac"it*ly, adv.
The tacit and secret theft of abusing our brother in civil contracts.
Jer. Taylor.
Tac"i*turn (?), a. [L. taciturnus: cf. F. taciturne. See Tacit.]
Habitually silent; not given to converse; not apt to talk or speak. —
Tac"i*turn*ly, adv.
Syn. — Silent; reserved. Taciturn, Silent. Silent has reference to the
act; taciturn, to the habit. A man may be silent from circumstances; he
is taciturn from disposition. The loquacious man is at times silent;
one who is taciturn may now and then make an effort at conversation.
Tac`i*tur"ni*ty (?), n. [L. taciturnitas: cf. F. taciturnité.] Habilual
silence, or reserve in speaking.
The cause of Addison's taciturnity was a natural diffidence in the
company of strangers.