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Pesticide vs Undefined - What's the difference?

pesticide | undefined |

As a noun pesticide

is anything, especially a synthetic substance but also any substance (eg sulfur), or virus, bacterium, or other organism, which kills or suppresses the activities of pests.

As an adjective undefined is

lacking a definition or value.

pesticide

English

(wikipedia pesticide)

Noun

(en noun)
  • Anything, especially a synthetic substance but also any substance (e.g. sulfur), or virus, bacterium, or other organism, which kills or suppresses the activities of pests.
  • * 2011 , Allan S. Felsot, Pesticides and Health: Myths vs. Realities , page 4:
    • Pesticide and fertilizer use has been recorded since ancient times,
  • * 2013 , Meg Stout, The Complete Idiot's Guide to Aquaponic Gardening (ISBN 1615643338):
    • Diluted neem oil can be effective as a pesticide and can control various fungal diseases, such as powdery mildew, on animals and plants.
  • *

    • Related terms

    * pest * pesticidal * fungicide * germicide * herbicide

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined