Library / English Dictionary

WEED KILLER

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A chemical agent that destroys plants or inhibits their growth

Synonyms:

herbicide; weed killer; weedkiller

Classified under:

Nouns denoting substances

Hypernyms ("weed killer" is a kind of...):

chemical; chemical substance (material produced by or used in a reaction involving changes in atoms or molecules)

Meronyms (substance of "weed killer"):

arsenic; As; atomic number 33 (a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar)

Hyponyms (each of the following is a kind of "weed killer"):

Agent Orange (a herbicide used in the Vietnam War to defoliate forest areas)

atrazine (a synthetic compound derived from triazine that is widely used as an agricultural herbicide)

linuron (a herbicide that kills weeds without harming vegetables)

paraquat (a poisonous yellow solid used in solution as a herbicide)

silvex (a herbicide that is effective in controlling woody plants but is toxic to animals)

simazine (a herbicide used to control weeds (especially among crops))

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