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Composed of leaves united by their edges (coalescent). Gray.

An instrument for recording, preserving, and reproducing sounds, the record being a tracing of a phonautograph etched in some solid material. Reproduction is accomplished by means of a system attached to an elastic diaphragm.

Same as Hæmatoplastic.

See Hematophilia.

The expectoration of blood, due usually to hemorrhage from the mucous membrane of the lungs.

A letter or character which expresses a like sound with another. Gliddon.

Originally, sounding alike; of the same pitch; unisonous; monodic.

Plain harmony, as opposed to polyphony. See Homophonous.

Relating to homophily.

That form of homology due to common ancestry (phylogenetic homology), in opposition to homomorphy, to which genealogic basis is wanting. Haeckel.

Resemblance between different plants or animals, in external shape, in general habit, or in organs, which is not due to descent from a common ancestor, but to similar surrounding circumstances.

One of the plastids composing the idorgan of Haeckel; -- also called homoörgan.

Of or pertaining to homoplasty; as, homoplasticorgans; homoplastic forms.

The formation of homologous tissues.

See Homogeny.

In promorphology, pertaining to or exhibiting that kind of organic form, in which the stereometric ground form is a pyramid, with similar poles. See Promorphology.

One of the Homoptera.

A suborder of Hemiptera, in which both pairs of wings are similar in texture, and do not overlap when folded, as in the cicada. See Hemiptera.

An homopter.

Of or pertaining to the Homoptera.