naphthaleneacetic acid

noun naph·tha·lene·acetic acid

Definition of naphthaleneacetic acid

  1. :  either of two crystalline naphthyl derivatives C10H7CH2COOH of acetic acid; especially :  the alpha or 1-compound used as a growth regulator for plants (as for preventing drop of apples before normal harvest time)

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Origin and Etymology of naphthaleneacetic acid

naphthalene + acetic

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