/ Dictionary / Index P physic nut: Meaning and Definition of Find definitions for: phys'ic nut" Pronunciation: [key] an ornamental, tropical American tree, Jatropha curcas, of the spurge family, having ivylike leaves, small, yellow or greenish-yellow flowers, and olive-shaped fruit yielding a purgative, poisonous oil. the fruit itself. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. physicist physicochemical Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language