a combining form representing machine or mechanical in compound words: mechanoreceptor.

Also especially before a vowel, mechan-.

Origin of mechano-

< Greek mēchano-, combining form representing mēchanḗ; see machine Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for mechano-

word-forming element meaning "mechanics, mechanism," from Greek mekhano-, comb. form of mekhane (see machine (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper