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A thin membrane surrounding the embryos of mammals, birds, and reptiles.

Same as Amnion.

That group of vertebrates which develops in its embryonic life the envelope called the amnion. It comprises the reptiles, the birds, and the mammals.

Of or pertaining to the amnion; characterized by an amnion; as, the amniotic fluid; the amniotic sac. Amniotic acid. (Chem.) [R.] See Allantoin.

Removal; a putting away. [Obs.] Bp. Ward (1673).

Same as Amortize, Amortization, etc.

The act or right of alienating lands to a corporation, which was considered formerly as transferring them to dead hands, or in mortmain.

Deprivation of possession.

Pertaining to amphibiology.

A treatise on amphibious animals; the department of natural history which treats of the Amphibia.

A division of insects having aquatic larvæ.

Pertaining to, adapted for, or connected with, both land and water. The amphibious character of the Greeks was already determined: they were to be lords of land and sea. Hare.

Like an amphibious being.

A fishlike creature (Amphioxus lanceolatus), two or three inches long, found in temperature seas; -- also called the lancelet. Its body is pointed at both ends. It is the lowest and most generalized of the vertebrates, having neither brain, skull, vertebræ, nor red blood. It forms the type of the group Acrania, Leptoca…

An embrace. [Obs.] An humble amplexation of those sacred feet. Bp. Hall.

Enlargement; amplification. [R.]

The act of amplifying or enlarging in dimensions; enlargement; extension.

The act amputating; esp. the operation of cutting of a limb or projecting part of the body.

Related to, or of the nature of, anaërobies.

The process of anæsthetizing; also, the condition of the nervous system induced by anæsthetics.