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A derivative of basic amino acids, produced by crown-gall tumors in plants.
References in periodicals archive ?
Dylan responded in kind, opining that Cameron was a "droopy-drawed philistine" with "nothing in his head but pencil shavings".
The show opens with a weary tailor at a tuxedo rental store (he should have his own show over these other dullards) sarcastically opining of some customers' tiresomely predictable behavior, ``No one's ever done that before.