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homing pigeon a kind of pigeon that is trained to return to its home roost, and that can deliver messages over long distances.
hominid any member of the family of two-legged primates that includes all humans and their ancestors.
hominize to cause to change so as to be compatible with mankind as it evolves. [2 definitions]
hominoid a member of a superfamily that includes the great apes and humans. [2 definitions]
hominy hulled kernels of dried corn, often ground and cooked with water.
homo- same; similar.
homocysteine An amino acid that is an intermediate in the metabolism of methionine. In humans, elevated levels of homocysteine in blood are associated with increased risk of cardiovascular disease and stroke.
Homo erectus an extinct species of the human race that had a fairly small brain and an upright stance. (See Pithecanthropus.)
homoeroticism sexual desire for one of the same sex; homosexuality.
homogamy the characteristic of a plant that has flowers or florets all of one sex. [3 definitions]
homogeneity the state or quality of being made up of the same or similar elements.
homogeneous having all parts of the same or a similar type. (Cf. heterogeneous.) [2 definitions]
homogenize to make the same throughout in structure, nature, or consistency; make homogeneous. [2 definitions]
homogenous having a similar structure because of developing from the same origin.
homograph a word that has the same spelling as another but a different origin and meaning.
homologize to cause or demonstrate to be homologous. [2 definitions]
homologous corresponding structurally, often because of a common evolutionary origin.
homology the state, condition, or quality of being homologous. [2 definitions]
homolosine projection a map of the earth's surface, characterized by accurate representation of the continents that results in some distortion of the oceans.
homomorphism similarity or resemblance of size, form, or appearance.
homonym a word pronounced and often spelled the same as another but having a different meaning.