Dictionary.com

prototrophic

[ proh-tuh-trof-ik, -troh-fik ]
/ ˌproʊ təˈtrɒf ɪk, -ˈtroʊ fɪk /
Save This Word!

adjective
(especially of certain bacteria) requiring only inorganic substances for growth.
(of certain microorganisms) requiring no specific nutriments for growth.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of prototrophic

First recorded in 1895–1900; proto- + -trophic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use prototrophic in a sentence

British Dictionary definitions for prototrophic

prototrophic
/ (ˌprəʊtəˈtrɒfɪk) /

adjective
(esp of bacteria) feeding solely on inorganic matter
(of cultured bacteria, fungi, etc) having no specific nutritional requirements
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK