Wiktionary英语词典
收录 1,329,381 个英语单词，来自Wiktionary的英文释义、IPA发音、词源、词形变化和词汇关系数据
P开头单词
(共111,203个)
pyroballogy
英 /ˌpaɪ.ɹəʊˈbæl.ə.d͡ʒi/
The study of artillery; the practice of using artillery as a weapon.
An orthorhombic-dipyramidal dark red mineral containing hydrogen, lead, manganese, oxygen, and vanad...
An amorphous fossilized petroleum mineraloid.
plural of pyrobitumen
Of or relating to pyrobitumen.
powered by an explosive
pyrobolic
A person who makes fireworks, rockets or artillery
plural of pyrobolist
pyroballogy
pyroballogy
Any salt of pyroboric acid.
plural of pyroborate
Of or relating to pyroboric acid or its derivatives.
The chemical compound H₂B₄O₇, obtained by heating boric acid.
A ceramic form of carbon formed at high temperature from the breakdown of a hydrocarbon gas
Any ester of the hypothetical pyrocarbonic acid, having general formula R-O-CO-O-CO-O-R
plural of pyrocarbonate
catalysis by means of heat
Relating to pyrocatalysis