Breadcrumb Home > Dictionary > Index C Cite convoluted tubule: Meaning and Definition of Find definitions for: con'voluted tu'bule Pronunciation: [key] — n. Anat. a portion of the nephron in the kidney that functions in concentrating urine and in maintaining salt, water, and sugar balance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. convoluted convolution TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News Noble Titles and Ranks in a Monarchy Chinese New Year History, Meaning, and Celebrations The Manchu The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: derogate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language