Falling out of hair

Wiktionary Word definitions in Wiktionary
n. The sound change by which Greek lost the consonant sound /h/ during antiquity.

WordNet Word definitions in WordNet
n. falling out of hair

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"loss of hair through disease," 1837, medical Latin, from Greek psilosis "a stripping of hair," from psiloun "to strip of hair," from psilos "bare" (see psilo- ).

Wikipedia Word definitions in Wikipedia
Psilosis (from Greek ψίλωσις, "thinning out") can mean: Psilosis , the loss of the sound /h/ in the history of the Greek language Psilosis, another name for coeliac disease , also known as sprue Psilosis, another name for hair loss Sylosis , a British metal ...