- a combining form meaning “hard,” used with this meaning, and as a combining form of sclera, in the formation of compound words: sclerometer.
Also especially before a vowel, scler-.
Origin of sclero-
combining form of Greek sklērós hard
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel scler-
- indicating hardnesssclerosis
- of or relating to the sclerasclerotomy
from Greek sklēros hard
Word Origin and History for sclero-
before vowels scler-, word-forming element meaning "hard," from Latinized form of Greek sklero-, comb. form of skleros "hard," related to skellein "to dry up, parch," from PIE *skle-ro-, from root *skele- "to parch, wither."
Online Etymology Dictionary, © 2010 Douglas Harper