Acanthopterygii :: Acanthopterygii (n. pl.) An order of fishes having some of the rays of the dorsal, ventral, and anal fins unarticulated and spinelike, as the perch..
Acanthopterygious :: Acanthopterygious (a.) Having fins in which the rays are hard and spinelike; spiny-finned.
Achromatopsy :: Achromatopsy (n.) Color blindness; inability to distinguish colors; Daltonism.
Acropetal :: Acropetal (a.) Developing from below towards the apex, or from the circumference towards the center; centripetal; -- said of certain inflorescence..
Acrophony :: Acrophony (n.) The use of a picture symbol of an object to represent phonetically the initial sound of the name of the object.
Acropodium :: Acropodium (n.) The entire upper surface of the foot.
Acropolis :: Acropolis (n.) The upper part, or the citadel, of a Grecian city; especially, the citadel of Athens..
Adopt :: Adopt (v. t.) To take by choice into relationship, as, child, heir, friend, citizen, etc.; esp. to take voluntarily (a child of other parents) to be in the place of, or as, one's own child..
Adopt :: Adopt (v. t.) To take or receive as one's own what is not so naturally; to select and take or approve; as, to adopt the view or policy of another; these resolutions were adopted..
Adoptable :: Adoptable (a.) Capable of being adopted.
Adopter :: Adopter (n.) A receiver, with two necks, opposite to each other, one of which admits the neck of a retort, and the other is joined to another receiver. It is used in distillations, to give more space to elastic vapors, to increase the length of the neck of a retort, or to unite two vessels whose openings have different diameters..