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The science of life; that branch of knowledge which treats of living matter as distinct from matter which is not living; the study of living tissue. It has to do with the origin, structure, development, function, and distribution of animals and plants.

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

That branch of biology which treats of the electrical phenomena of living organisms.

The study of minute organisms, or microbes, as the bacteria. -- Mi`cro*bi`o*log"ic*al (#), a. -- Mi`cro*bi*ol"o*gist (#), n.

Pertaining to amphibiology.

The branch of biology which deals with the geographical distribution of animals and plants. It includes both zoögeography and phytogeography. -- Bi`o*ge`o*graph"ic (#), a. -- Bi`o*ge`o*graph"ic*al*ly (#), adv.

Of or relating to biology. -- Bi`o*log"ic*al*ly, adv.

A student of biology; one versed in the science of biology.

One versed in electro-biology.

one who holds the doctrine of evolution, either in biology or in metaphysics. Darwin.

ng form denoting a discourse, treatise, doctrine, theory, science; as, theology, geology, biology, mineralogy.

opularly applied to theories and claims not put forward by Mesmer himself. See Mesmerism, Biology, Od, Hypnotism. -- Terrestrial magnetism, the magnetic force exerted by the earth, and recognized by its effect upon magnetized needles and bars.

That branch of biology which deals with the structure of animals and plants, treating of the forms of organs and describing their varieties, homologies, and metamorphoses. See Tectology, and Promorphology.

That branch of biology which treats, in particular, of the organs of animals and plants. See Morphology.

That part of biology which relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct.