/ Dictionary / Index P platina: Meaning and Definition of Find definitions for: plat•i•na Pronunciation: (plat'n-u, plu-tē'nu), [key] — n. a native alloy of platinum with palladium, iridium, osmium, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Plath platinate Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language