Abalone :: Abalone (n.) A univalve mollusk of the genus Haliotis. The shell is lined with mother-of-pearl, and used for ornamental purposes; the sea-ear. Several large species are found on the coast of California, clinging closely to the rocks..
Acanthocephalous :: Acanthocephalous (a.) Having a spiny head, as one of the Acanthocephala..
Acephalocyst :: Acephalocyst (n.) A larval entozoon in the form of a subglobular or oval vesicle, or hydatid, filled with fluid, sometimes found in the tissues of man and the lower animals; -- so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin..
Acephalocystic :: Acephalocystic (a.) Pertaining to, or resembling, the acephalocysts..
Acephalous :: Acephalous (a.) Deficient and the beginning, as a line of poetry..
Ad Valorem :: Ad valorem () A term used to denote a duty or charge laid upon goods, at a certain rate per cent upon their value, as stated in their invoice, -- in opposition to a specific sum upon a given quantity or number; as, an ad valorem duty of twenty per cent..
Alkaloid :: Alkaloid (n.) An organic base, especially one of a class of substances occurring ready formed in the tissues of plants and the bodies of animals..
Alkaloidal :: Alkaloidal (a.) Pertaining to, resembling, or containing, alkali..
Aloe :: Aloe (n.) A genus of succulent plants, some classed as trees, others as shrubs, but the greater number having the habit and appearance of evergreen herbaceous plants; from some of which are prepared articles for medicine and the arts. They are natives of warm countries..
Aloe :: Aloe (n.) The inspissated juice of several species of aloe, used as a purgative..