What does "psilosis" mean?

The sound change by which Greek lost the consonant sound /h/ during antiquity, h-dropping.

What is a synonym for "psilosis"?

Common synonyms include: alopecia, hair loss, loss of s, s deletion, sprue, tropical sprue.

Pronounced //saɪˈloʊ.sɪs//.

/saɪˈloʊ.sɪs/ noun

noun ·Rare ·Advanced level

Noun

1
The sound change by which Greek lost the consonant sound /h/ during antiquity, h-dropping. uncountable
2
falling out of hair wordnet
3
Sprue, a disease of the small intestine. uncountable
4
a chronic disorder that occurs in tropical and non-tropical forms and in both children and adults; nutrients are not absorbed; symptoms include foul-smelling diarrhea and emaciation wordnet

Borrowed from Ancient Greek ψίλωσις (psílōsis).