- a combining form meaning “wet,” “moist,” “moisture,” used in the formation of compound words: hygrometer.
Origin of hygro-
< Greek, combining form of hygrós wet, moist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel hygr-
- indicating moisturehygrometer
Word Origin for hygro-
from Greek hugros wet
word-forming element meaning "wet, moist, moisture," from Greek hygro-, comb. form of hygros "wet, moist, fluid," from PIE root *wegw- "wet."
Online Etymology Dictionary, © 2010 Douglas Harper
- Moisture; liquid; humidity:hygroscopic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.