Added 10 October 2026 hypohyaline adjective Categories: Obscure Words adjective ! Definition from Wiktionary (CC BY-SA). More about hypohyaline at Wordnik → Where our words come from → Partly glassy. Origin From hypo- + hyaline. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: holohyalinehyalinehypocrystallinehydrophanousspathichyalopiliticsubvitreousholocrystallineenhydrousaphanticdiaplectichypercrystalline Back to today's word