(Vi"tal), n. A vital part; one of the vitals. [R.]
(Vi*tal"ic) a. Pertaining to life; vital. [R.]
(Vi"tal*ism) n. (Biol.) The doctrine that all the functions of a living organism are due to an
unknown vital principle distinct from all chemical and physical forces.
(Vi`tal*ist) n. (Biol.) A believer in the theory of vitalism; opposed to physicist.
(Vi`tal*is"tic) a. (Biol.) Pertaining to, or involving, vitalism, or the theory of a special vital principle.
(Vi*tal"i*ty) n. [L. vitalitas: cf. F. vitalité.] The quality or state of being vital; the principle of life; vital
force; animation; as, the vitality of eggs or vegetable seeds; the vitality of an enterprise.
(Vi`tal*i*za"tion) n. The act or process of vitalizing, or infusing the vital principle.
(Vi"tal*ize) v. t. [imp. & p. p. Vitalized ; p. pr. & vb. n. Vitalizing ] [Cf. F. vitaliser.] To
endow with life, or vitality; to give life to; to make alive; as, vitalized blood.
(Vi"tal*ly), adv. In a vital manner.
(Vi"tals) n. pl.
1. Organs that are necessary for life; more especially, the heart, lungs, and brain.
2. Fig.: The part essential to the life or health of anything; as, the vitals of a state. "The vitals of the
public body." Glanvill.
(Vit"el*la*ry) a. [L. vitellus a little calf, the yolk of an egg.] (Biol.) Vitelline.
(Vit`el*lig"e*nous) a. (Zoöl.) Producing yolk, or vitelline substance; applied to certain
cells (also called nutritive, or yolk, cells) formed in the ovaries of many insects, and supposed to supply
nutriment to the developing ova.
(Vi*tel"lin) n. [See Vitellus.] (Physiol. Chem.) An albuminous body, belonging to the class of
globulins, obtained from yolk of egg, of which it is the chief proteid constituent, and from the seeds of
many plants. From the latter it can be separated in crystalline form.
(Vi*tel"line) a. [L. vitellus the yolk of an egg.] (Biol.) Of or pertaining to the yolk of eggs; as,
the vitelline membrane, a smooth, transparent membrane surrounding the vitellus.
(Vi*tel"lo*gene) n. [See Vitellus, and -gen.] (Zoöl.) A gland secreting the yolk of the eggs
in trematodes, turbellarians, and some other helminths.
(||Vi*tel"lus) n. [L., the yolk of an egg.]
1. (Biol.) The contents or substance of the ovum; egg yolk. See Illust. of Ovum.
2. (Bot.) Perisperm in an early condition.
(Vi"ti*ate) v. t. [imp. & p. p. Vitiated ; p. pr. & vb. n. Vitiating.] [L. vitiatus, p. p. vitiare to
vitiate, fr. vitium a fault, vice. See Vice a fault.] [Written also viciate.]