Prehnite
noun
1.
a mineral, hydrous calcium aluminum silicate, Ca 2 Al 2 Si 3 O 1 0 (OH) 2 , occurring in light-green reniform aggregates or tabular crystals.
Read Also:
- Pre-holiday
noun 1. a day fixed by law or custom on which ordinary business is suspended in commemoration of some event or in honor of some person. 2. any day of exemption from work (distinguished from working day). 3. a time or period of exemption from any requirement, duty, assessment, etc.: New businesses may be granted […]
- Pre-homeric
adjective 1. of, relating to, or suggestive of Homer or his poetry. 2. of heroic dimensions; grand; imposing: Homeric feats of exploration. adjective 1. of, relating to, or resembling Homer or his poems 2. imposing or heroic 3. of or relating to the archaic form of Greek used by Homer See epic
- Prehominid
noun 1. any of the extinct humanlike primates classified in the former family Prehominidae. 2. any extinct form that is thought to be an ancestor of the hominids. noun 1. any of various extinct manlike primates See australopithecine
- Prehormone
prehormone pre·hor·mone (prē-hôr’mōn’) n. A glandular secretory product that is a precursor of a hormone but has little or no inherent biological potency itself.
- Prehuman
adjective 1. preceding the appearance or existence of human beings: the prehuman ages. 2. of or relating to a human prototype. noun 3. a prehuman animal.