Glossary

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herbicide

Pronunciation:  erb-i-sId (OR) herb-i-sId
  
Definition :a chemical, typically used on farms, that kills unwanted plants or weeds.
  
Facts: Traditionally, herbicides are sprayed onto crops or spread on the soil.

Herbicides must be put on the fields at specific times or they may not kill the target weeds.

  
  
Related Terms:pesticide, insecticide