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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - Used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum.

Usage examples (33)
  • This unique form of incense makes use of a natural plant compound called pyrethrum which is derived from Old World plants of the genus
  • Plant-derived and metallic insecticides such as pyrethrum, lead arsenate and copper sulfate had been tried but did not work well.
  • I had to go back to K-Mart and get some pyrethrum spray.
  • We were also among the world leaders in pyrethrum research. for more
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