ollav or ollamh /olˈäv/

A learned man among the ancient Irish

• hydraulic presses
• hydraulic ram
• hydraulic rams
• hydraulics
• hydraulic seeding
• hydraulic suspension
• hydrazides
• hydrazine
• hydrazines
• hydrazoic acid
• hydremia
• hydremias
• hydria
• hydriae
• hydric
• hydrically
• hydride
• hydrides
• hydriodic
• hydro
• hydro-
• hydro-aeroplane
• hydro-aeroplanes
• hydro-airplane
• hydro-airplanes