prozoicadj.

Brit.

/prəʊˈzəʊɪk/, U.S.

/ˌproʊˈzoʊɪk/

Origin: A borrowing from French. Etymon: French prozoïque.

Etymology: < French prozoïque ( C. A. Rozet Cours élém. de géognosie (1830) 160) < pro- pro- prefix¹ + ancient Greek ζωή life (see zoism n.) + French -ique -ic suffix. Compare -zoic comb. form¹.

Geology. Now rare.

Designating rocks characterized by an absence of fossils and regarded as having been formed before the emergence of life on earth; of or relating to such rocks or to this period of the earth's history; = azoic adj.

ΘΚΠ

the world > the earth > structure of the earth > age or period > [adjective] > pre-Cambrian

Protozoic1838

prozoic1845

Precambrian1864

Cryptozoic1911

the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > pre-Cambrian

primitive1779

primordial1794

primary1795

Protozoic1838

prozoic1845

Cryptozoic1911

1845 R. I. Murchison et al. Geol. Russia in Europe ii. 10* (note) In our sense azoic is synonymous with pro-zoic, or before recognizable traces of life.

1873 Pop. Sci. Rev. 11 351 What may be termed the prozoic history of the earth; that is to say, of the different stages through which our globe has passed before it became fitted for the habitation of organisms.

1877 F. M. Endlich in 11th Rep. U.S. Geol. & Geog. Surv. Territories (1879) 66 This occurrence of prozoic rocks is one of great interest... We found that the prozoic granite..disappeared altogether in the main chain, except northward.

1902 Q. Jrnl. Geol. Soc. 58 151 His map accordingly shows a large extent of ‘pro-zoic’ clay-slate.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	prozoic
释义	prozoicadj. Brit. /prəʊˈzəʊɪk/, U.S. /ˌproʊˈzoʊɪk/ Origin: A borrowing from French. Etymon: French prozoïque. Etymology: < French prozoïque ( C. A. Rozet Cours élém. de géognosie (1830) 160) < pro- pro- prefix¹ + ancient Greek ζωή life (see zoism n.) + French -ique -ic suffix. Compare -zoic comb. form¹. Geology. Now rare. Designating rocks characterized by an absence of fossils and regarded as having been formed before the emergence of life on earth; of or relating to such rocks or to this period of the earth's history; = azoic adj. ΘΚΠ the world > the earth > structure of the earth > age or period > [adjective] > pre-Cambrian Protozoic1838 prozoic1845 Precambrian1864 Cryptozoic1911 the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > pre-Cambrian primitive1779 primordial1794 primary1795 Protozoic1838 prozoic1845 Cryptozoic1911 1845 R. I. Murchison et al. Geol. Russia in Europe ii. 10* (note) In our sense azoic is synonymous with pro-zoic, or before recognizable traces of life. 1873 Pop. Sci. Rev. 11 351 What may be termed the prozoic history of the earth; that is to say, of the different stages through which our globe has passed before it became fitted for the habitation of organisms. 1877 F. M. Endlich in 11th Rep. U.S. Geol. & Geog. Surv. Territories (1879) 66 This occurrence of prozoic rocks is one of great interest... We found that the prozoic granite..disappeared altogether in the main chain, except northward. 1902 Q. Jrnl. Geol. Soc. 58 151 His map accordingly shows a large extent of ‘pro-zoic’ clay-slate. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < adj.1845
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