Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary    
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
pyrethrum

py·re·thrum

pyrethrum

pronunciation:
paI ri thrm
part of speech: noun
definition 1: any of various chrysanthemums grown for their colorful flowers and for the preparation of an insecticide and ointment.
definition 2: an insecticide or ointment extracted from such flowers.