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The science which treats of the liver; a treatise on the liver.

The natural history of reptiles; that branch of zoölogy which relates to reptiles, including their structure, classification, and habits.

The absence of correspondence, or relation, in type of structure; lack of analogy between parts, owing to their being composed of different elements, or of like elements in different proportions; variation in structure from the normal form; -- opposed to homology.

The science which treats of the complex relations of living creatures to other organisms, and to their surrounding conditions generally. St. George Mivart.

A treatise on sacred things; especially, the science which treats of the ancient writings and inscriptions of the Egyptians, or a treatise on that science.

The science of veterinary medicine; the pathology of the horse.

Same as Histology.

the minute (microscopic) structure of animal and vegetable tissues; -- called also histiology.

A discourse on history. Cockeram.

The quality of being homologous; correspondence; relation; as, the homologyof similar polygons.

The science of measuring time, or the principles and art of constructing instruments for measuring and indicating portions of time, as clocks, watches, dials, etc.

The science of water, its properties, phenomena, and distribution over the earth's surface.

That branch of meteorology which relates to, or treats of, water in the atmosphere, or its phenomena, as rain, clouds, snow, hail, storms, etc.

The branch of botany which treats of water plants.

The science which treats of the precipitation of rain, snow, etc. -- Hy`e*to*log"ic*al, a.

A treatise on, or the science of, the preservation of health. [R.]

The science which treats of the fluids of the body.

ymns or sacred lyrics composed by authors of a particular country or period; as, the hymnology of the eighteenth century; also, the collective body of hymns used by any particular church or religious body; as, the Anglican hymnology.

A treatise on sleep; the doctrine of sleep.

A figure by which the ordinary course of thought is inverted in expression, and the last put first; -- called also hysteron proteron.