Dictionary.com
definitions

micropropagation

[mahy-kroh-prop-uh-gey-shuh n]
noun
  1. the propagation of plants from tissue cultures, often from single cells.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for micropropagation

micropropagation

noun
  1. botany the production of a large number of individual plants from a small piece of plant tissue cultured in a nutrient medium
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