2. (Math.) A vertical line, plane, or circle.

Prime vertical, Prime vertical dial. See under Prime, a.

Ver`ti*cal"i*ty (?), n. The quality or state of being vertical;

verticalness. [R.]

The different points of the verticality.

Sir T. Browne.

Ver"ti*cal*ly (?), adv. In a vertical manner, position, or direction;

perpendicularly; as, to look down vertically; to raise a thing

vertically.

Ver"ti*cal*ness, n. Quality or state of being vertical.

Ver"ti*cil (?), n. [L. verticillus, dim. of vertex a whirl: cf. F.

verticille. See Vertex.] (Bot.) A circle either of leaves or flowers

about a stem at the same node; a whorl. [Written also verticel.]

Ver`ti*cil*las"ter (?), a. [NL., fr. L. verticillus a whirl + aster a

star.] (Bot.) A whorl of flowers apparently of one cluster, but

composed of two opposite axillary cymes, as in mint. See Illust. of

Whorl.

{ Ver*tic"il*late (?; 277), Ver*tic"il*la`ted (?), } a. [See Verticil.]

(Bot. & Zoöl.) Arranged in a transverse whorl or whorls like the rays

of a wheel; as, verticillate leaves of a plant; a verticillate shell.

||Ver`ti*cil"lus (?), n. [L., a whirl.] (Bot.) A whorl; a verticil.

||

Ver*tic"i*ty (?), n. [Cf. F. verticité. See Vertex.] The quality or

power of turning; revolution; rotation. [R.] Locke.

I hardly believe he hath from elder times unknown the verticity of the

loadstone.

Sir T. Browne.

Ver"ti*cle (?), n. [L. verticula a joint.] An axis; hinge; a turning

point. E. Waterhouse.

Ver*tig"i*nate (?), a. Turned round; giddy. [R.] Coleridge.

Ver*tig"i*nous (?), a. [L. vertiginosus, fr. vertigo a whirling around,

giddiness: cf. F. vertigineux. See Vertig&?;&?;.] 1. Turning round;

whirling; rotary; revolving; as, vertiginous motion.

Some vertiginous whirl of fortune.

De Quincey.

The Gutenberg Webster's Unabridged Dictionary: Section T, U, V, and W · 第 2430 / 3573 题