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单词 paragenic
释义

paragenicadj.

Brit. /ˌparəˈdʒɛnɪk/, U.S. /ˌpɛrəˈdʒɛnɪk/
Origin: Formed within English, by derivation. Etymons: para- prefix1, -genic comb. form.
Etymology: < para- prefix1 + -genic comb. form. Compare earlier paragenetic adj.
Geology and Biology. rare.
= paragenetic adj.
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the world > the earth > minerals > types of mineral > [adjective] > type of origin
paragenetic1853
paragenic1854
pyrogenetic1909
1854 J. D. Dana Syst. Mineral. (ed. 4) I. 153 Fig. 239 is a section of a crystal, in which there is seen both a paragenic and a metagenic composition.
1864 Webster's Amer. Dict. Eng. Lang. 946/2 Paragenic, originating in the character of the germ, or at the first commencement of an individual;—said of peculiarities of structure, character, or the like. Dana.
1943 Brittonia 4 337 The paragenic species is essentially a homogenon which contains morphological variants because of disturbances in its genetic homogeneity.
1998 Lat. Amer. Perspectives 25 26 The former resulted in infertile or dysgenic individuals who would eventually degenerate..while the latter would produce paragenic stock.
1998 Geochem. Internat. 36 734 Despite differences in the absolute values of REE [rare-earth element] contents, the REE patterns in paragenic mineral assemblages bearing apatite, diopside, and carbonates are similar.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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adj.1854
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