/ Dictionary / Index A alk.: Meaning and Definition of Find definitions for: alk. Pronunciation: [key] alkali. alkaline. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alizarin crimson alkahest Related Content Daily Word Quiz: crockery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language