- The act of making easy or easier. (noun)
- The state of being made easy or easier. (noun)
- Physiology The process of lowering the threshold for propagation of the action potential of a neuron, especially by repeated use of a neural pathway or the summation of two or more subthreshold impulses. (noun)
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.