com·mu·ni·col·o·gy 
(kə-my′nĭ-kŏlə-jē)
(kə-my′nĭ-kŏlə-jē)n.
The study of communication, including such fields as semiotics, audiology, and speech pathology.
[COMMUNIC(ATION) + -LOGY.]
- heterochronic
- heterochronous
- heterochrony
- heterocycle
- heterocyclic
- heterocyst
- heterodactyl
- heterodactylous
- heterodactyly
- heterodox
- heterodoxy
- heterodyne
- heteroecious
- heteroecism
- heterogamete
- heterogametic
- heterogamic
- heterogamous
- heterogamy
- heterogeneity
- heterogeneous
- heterogeneously
- heterogeneousness
- heterogenic
- heterogenous