Ailantus :: Ailantus (n.) A genus of beautiful trees, natives of the East Indies. The tree imperfectly di/cious, and the staminate or male plant is very offensive when blossom..
Air Plant :: Air plant () A plant deriving its sustenance from the air alone; an aerophyte.
Allanite :: Allanite (n.) A silicate containing a large amount of cerium. It is usually black in color, opaque, and is related to epidote in form and composition..
Allantoic :: Allantoic (a.) Pertaining to, or contained in, the allantois..
Allantoid :: Allantoid (n.) A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the urinary vesicle..
Allantoidal :: Allantoidal (a.) Of or pertaining to the allantois.
Allantoidea :: Allantoidea (n. pl.) The division of Vertebrata in which the embryo develops an allantois. It includes reptiles, birds, and mammals..
Allantoin :: Allantoin (n.) A crystalline, transparent, colorless substance found in the allantoic liquid of the fetal calf; -- formerly called allantoic acid and amniotic acid..
Ambulance :: Ambulance (n.) A field hospital, so organized as to follow an army in its movements, and intended to succor the wounded as soon as possible. Often used adjectively; as, an ambulance wagon; ambulance stretcher; ambulance corps..
Ambulance :: Ambulance (n.) An ambulance wagon or cart for conveying the wounded from the field, or to a hospital..
Ambulant :: Ambulant (a.) Walking; moving from place to place.
Anallantoic :: Anallantoic (a.) Without, or not developing, an allantois..
Anallantoidea :: Anallantoidea (n. pl.) The division of Vertebrata in which no allantois is developed. It includes amphibians, fishes, and lower forms..
Aphilanthropy :: Aphilanthropy (n.) Want of love to mankind; -- the opposite of philanthropy.
Aplanatic :: Aplanatic (a.) Having two or more parts of different curvatures, so combined as to remove spherical aberration; -- said of a lens..
Aplanatism :: Aplanatism (n.) Freedom from spherical aberration.