Chemistry Not dissociated into simpler groups of atoms, single atoms, or ions.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "undissociated" in a sentence
"Chimeric research, especially the introduction of an undissociated mass of human stem cells into an animal blastocyst-stage embryo"
"Any equilibrium which may be reached in solutions of these substances must take place between the various ions formed, on the one hand, and the undissociated molecules, on the other."
"~ When a substance capable of dissociating into ions is dissolved in water, the properties of the solution will depend upon two factors: (1) the ions formed from the substance; (2) the undissociated molecules."