单词 pyrogenic 释义 pyrogenic, a.|-dnk|[f. as pyrogen + -ic.]†1. Geol. = pyrogenous 1 a. Obs. rare.1853Th. Ross Humboldt's Trav. III. xxxii. 370 The ancient pyrogenic rocks which I found near Parapara.1904A. W. Grabau in Amer. Geologist XXXIII. 230 Retu...