/ Dictionary / Index P ptyalectasis: Meaning and Definition of Find definitions for: pty•a•lec•ta•sis Pronunciation: (tī"u-lek'tu-sis), [key] — pl. -ses spontaneous or surgical dilatation of a salivary duct. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. PTV ptyalin Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language