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pyrogenous
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pyrogenous
pyrogenous, a. (-ˈɒdʒɪnəs) Erron. -geneous. [f. as pyrogen + -ous.] 1. Produced by fire or heat. a. Geol. Of rocks: = igneous a. 2. b. Chem. Applied to a substance produced by the combustion of another substance.1839 G. Roberts Dict. Geol., Pyrogenous,..produced by the agency of fire. 1845 J. Philli...
Oxford English Dictionary
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-genous
-genous, suffix (-dʒɪnəs) [f. -gen + -ous] = -genic, as (a) alkaligenous, calcigenous, kaligenous, pathogenous, pyrogenous 2; (b) pyrogenous 1.
Oxford English Dictionary
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pyrogenic
pyrogenic, a. (-ˈdʒɛnɪk) [f. as pyrogen + -ic.] † 1. Geol. = pyrogenous 1 a. Obs. rare.1853 Th. Ross Humboldt's Trav. III. xxxii. 370 The ancient pyrogenic rocks which I found near Parapara. 1904 A. W. Grabau in Amer. Geologist XXXIII. 230 Returning now to the..chemically deposited rocks, we may rea...
Oxford English Dictionary
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