Adhere, ad-hēr′, v.i. to stick to: to remain fixed or attached (with to): (Shak.) to be consistent: (Scots law) to affirm a judgment.—n. Adher′ence, state of adhering: steady attachment.—adj. Adher′ent, sticking to.—n. one who adheres: a follower: a partisan (with of)—a less common form is Adher′er. [L. ad, to, hærēre, hæsum, to stick.]

Adhesion, ad-hē′zhun, n. the act of adhering or sticking to: steady attachment: (path.) a vital union between two surfaces of a living body which have been either naturally or artificially separated.—adj. Adhes′ive, sticky: apt to adhere.—adv. Adhes′ively.—n. Adhes′iveness. [See Adhere.]

Adhibit, ad-hib′it, v.t. to apply to: to use: to attach: to admit: to devote to: to administer.—n. Adhibi′tion, application: use. [L. adhibēre, -itumad, to, and habēre, to hold.]

Adiantum, ad-i-an′tum, n. maidenhair, a large genus of ferns. [Gr. adiantos, a, neg., and diantos, capable of being wetted.]

Adiaphoron, a-di-af′or-on, n.pl. in theology and ethics, things indifferent—any tenet or usage which is considered as non-essential—also Adiaph′ora.—n. Adiaph′orism, tolerance in regard to non-essential points in theology.—adj. Adiaph′orous. [Gr., from a, neg., and diaphoros, differing—dia, apart, pherein, to carry.]

Adiathermic, ā-dī-a-thėr′mik, adj. impervious to radiant heat. [Gr. a, neg., dia, through, thermos, heat.]

Adieu, a-dū′, adv. (I commend you) to God: farewell.—n. a farewell:—pl. Adieus or Adieux (a-dūz′). [Fr. à Dieu, to God.]

Adipocere, ad′i-pō-sēr, n. a fatty, waxy substance resulting from the decomposition of animal bodies in moist places or under water, but not exposed to air. [Through Fr. from L. adeps, adipis, soft fat, and cera, wax.]

Adipose, ad′i-pōz, adj. fatty.—Adipose tissue, the vesicular structure in the animal body which contains the fat. [L. adeps, adipis, soft fat.]

Adit, ad′it, n. an opening or passage, esp. into a mine. [L. aditus—ad, to, īre, itum, to go.]