4d's

di·chlo·ro·phe·nox·y·a·ce·tic ac·id

[dahy-klawr-oh-fi-nok-see-uh-see-tik, -uh-set-ik, dahy-klohr-, dahy-klawr-oh-fi-nok-, dahy-klohr-]
noun Chemistry.
a white to yellow, crystalline powder, C 8 H 6 O 3 Cl 2 , slightly soluble in water: used for killing weeds.
Also called 2, 4-D.


Origin:
di-1 + chloro-2 + phen- + oxy-2 + acetic acid

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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a chattering or flighty, light-headed person.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
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