Subtil, Subtilly. See Subtle.
Subtile, sub′til, adj. delicately constructed: fine: thin or rare: piercing: shrewd.—adv. Sub′tilely.—ns. Sub′tileness; Subtilisā′tion.—v.t. Sub′tilise, to make subtile, thin, or rare: to spin into niceties.—v.i. to make nice distinctions: to refine in argument.—ns. Sub′tilism, the quality of being subtile; Sub′tilty, state or quality of being subtile: fineness: extreme acuteness: cunning. [L. subtilis—sub, under, tela, a web.]
Subtitle, sub′tī-tl, n. an additional or second title to a book, a half-title.
Subtle, sut′l (B. Sub′til), adj. subtile in a figurative sense: acute, quick to discern or discriminate: insinuating, sly, artful: cunningly devised, ingenious.—ns. Subt′leness, Subt′lety, quality of being subtle: artfulness: shrewdness: extreme acuteness.—adj. Subt′le-wit′ted, sharp-witted.—adv. Subt′ly (B. Sub′tilly), ingeniously, cleverly: artfully, deceitfully. [Contr. of subtile.]
Subtonic, sub′ton-ik, n. (mus.) the seventh of the scale.
Subtorrid, sub-tor′id, adj. approximately torrid.
Subtract, sub-trakt′, v.t. to take away a part from the rest: to take one number or quantity from another to find their difference.—ns. Subtrac′ter; Subtrac′tion, the act or operation of subtracting: the taking a less number or quantity from a greater.—adj. Subtract′ive, subtracting: tending to subtract or lessen.—n. Sub′trahend, the sum or number to be subtracted from another. [L. sub, under, trahĕre, tractum, to draw away.]
Subtriangular, sub-trī-ang′gū-lar, adj. somewhat triangular.
Subtribe, sub′trīb, n. a section or division of a tribe.—adj. Sub′trībal.
Subtriplicate, sub-trip′li-kāt, adj. expressed by the cube root.