Tit"mouse` (?), n.; pl. Titmice (#). [OE. titemose, titmase; tit small,
or a small bird + AS. mse a kind of small bird; akin to D. mees a
titmouse, G. meise, OHG. meisa, Icel. meisingr. The English form has
been influenced by the unrelated word mouse. Cf. Tit a small bird.]
(Zoöl.) Any one of numerous species of small insectivorous singing
birds belonging to Parus and allied genera; — called also tit, and
tomtit.
The blue titmouse (Parus cœruleus), the marsh titmouse (P. palustris),
the crested titmouse (P. cristatus), the great titmouse (P. major), and
the long tailed titmouse (Ægithalos caudatus), are the best-known
European species. See Chickadee.
Ti"trate (?), v. t. [imp. & p. p. Titrated (?); p. pr. & vb. n.
Titrating.] [F. titrer, from titre standard, title. See Title, n.]
(Chem.) To analyse, or determine the strength of, by means of standard
solutions. Cf. Standardized solution, under Solution.
Ti"tra*ted (?), a. (Chem.) Standardized; determined or analyzed by
titration; as, titrated solutions.
Ti*tra"tion (?), n. (Chem.) The act or process of titrating; a
substance obtained by titrating.
Tit"ter (?), v. t. [imp. & p. p. Tittered (?); p. pr. & vb. n.
Tittering.] [Probably of imitative origin.] To laugh with the tongue
striking against the root of the upper teeth; to laugh with restraint,
or without much noise; to giggle.
A group of tittering pages ran before.
Longfellow.
Tit"ter, n. A restrained laugh. "There was a titter of . . . delight on
his countenance." Coleridge.
Tit"ter, v. i. To seesaw. See Teeter.