| Hessian |
any of the German mercenaries that served with the British during the American Revolution. |
| Hessian fly |
a small fly, the larvae of which infest and consume the stems of grasses, wheat, and other grain plants. |
| hetaera |
in ancient Greek society, a female paramour or concubine, often a member of a class of educated slaves or cultured companions. [2 definitions] |
| hetero- |
different; other. |
| heterocyclic |
of or involving chemical compounds whose molecules are rings of carbon atoms with at least one atom of another element. [2 definitions] |
| heterodox |
deviating from an officially approved belief or doctrine, esp. in religion. [2 definitions] |
| heterodoxy |
the fact or condition of being heterodox. [2 definitions] |
| heterodyne |
of or designating a merging or method of merging two frequencies such that the resulting frequency equals the sum of or difference between the two, often accomplished by the modification of an incoming signal by a receiver. [3 definitions] |
| heterogamete |
either of a pair of uniting gametes, such as an ovum or a sperm, that differs from its mate in size, structure, activity, sex, or the like. (Cf. isogamete.) |
| heterogamous |
characterized by having, or reproducing by the union of, unlike gametes. [3 definitions] |
| heterogeneity |
the quality or state of being made up of parts or members that differ from each other. |
| heterogeneous |
made up of parts or members that differ from each other. (Cf. homogeneous.) [2 definitions] |
| heterogynous |
having two kinds of females, one capable of reproduction and the other not, as ants and bees. |
| heteronym |
a word that is spelled the same as another but has a different pronunciation and meaning, such as "tear," meaning "to rip," and "tear," meaning the liquid discharge from the eye. |
| heteroplasty |
plastic surgery that uses grafts of tissue from another individual or species. |
| heterosexual |
sexually attracted only to those of the opposite sex. [3 definitions] |
| heterozygote |
an organism that has two variants of a particular gene. |
| heterozygous |
pertaining to an organism that has two variants of a particular gene. |
| heth |
the name of the eighth letter of the Hebrew alphabet. |
| hetman |
a leader or chief of a band or group of Cossacks; ataman. |
| heuristic |
of, pertaining to, or consisting of education derived from empirical study and practical experience. [3 definitions] |