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)
Alternative spelling of pyrrole.
pyrrole
英 /ˈpɪɹəʊl/
Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a nitro...
plural of pyrrole
Pertaining to, or having a structure based on, a pyrrole
The univalent anion derived from pyrrolidine by loss of a hydrogen ion
plural of pyrrolide
Any of a class of heterocyclic amines having a saturated five-membered ring; especially the parent c...
A derivative of pyrrolidine having two carbonyl groups
plural of pyrrolidinedione
plural of pyrrolidine
A cation formed by protonation of a pyrrolidine
plural of pyrrolidinium
Containing a pyrrolidine ring.
Any heterocyclic ketone derived from pyrrolidine, but especially any 2-pyrrolidinone (a form of cycl...
plural of pyrrolidinone
Any pyrrolidine derivative of pentiophenone, but especially the α- isomer which is the synthetic sti...
Any of a class of recreational designer drugs with psychostimulant effects.
plural of pyrrolidinophenone
A radical derived from pyrrolidine
The N-oxygen free radical derived from pyrrolidine