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 (pī′rō-jĕn′ĭk) also py·rog·e·nous (pī-rŏj′ə-nəs)
1. Producing or produced by fever.
2. Caused by or generating heat.
3. Of or relating to solid rock formed from molten rock; igneous.

py′ro·ge·nic′i·ty (-rō-jə-nĭs′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


Geology. produced by the action of heat, hot solutions, etc. — pyrogenic, adj.
See also: Fire
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.pyrogenous - produced by or producing fever
2.pyrogenous - produced under conditions involving intense heat; "igneous rock is rock formed by solidification from a molten state; especially from molten magma"; "igneous fusion is fusion by heat alone"; "pyrogenic strata"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Consequences of aging of pyrogenous biochar regarding the potential to reduce nitrous oxide from soil: Bachelor Thesis.
Values on organic matter basis are shown in parentheses Dictyonema Kukersite Retorting products, wt.%: Oil 3.62 (19.64) 19.29 (61.32) Pyrogenous water 3.41 (18.50) 1.64 (5.21) Solid residue or semicoke 89.94 (45.42) 73.81 (16.75) Semicoking gas 3.03 (16.44) 5.26 (16.72) Volumetric semicoking gas yield 23.0 (124.8) 34.1 (108.3) [dm.sup.3]/kg dry oil shale ([dm.sup.3]/kg organic matter) () organic matter basis Table 3.
Table 1 shows that the alkaline ash affects PVC waste pyrolysis by reducing the amount of oil produced (by 9.8% relative to the PVC waste or about 1.4 times), increasing the solid residue (by 34.3% or about 5 times), increasing the amount of pyrogenous water (by 12.3% or about 6.9 times) and decreasing the amount of gas produced (by 36.8% or about 3.5 times).