viscous engine oil

engine oil reservoir / engine oil tank

engine capacity / engine power, engine output

viscous damping-type behavior

viscous damping

Bernoulli theorem for a viscous incompressible fluid

non-viscous liquid

continuity equation of compressible non-viscous fluid

viscous fluid

viscous instability of a boundary layer

dissipation of energy in a viscous liquid

Helmholtz theorem on vorticity diffusion in a viscous liquid

theorem on uniqueness of viscous flows

oil gauge / oil-gauge

all purpose engine oil

engine lubricating oil

engine oil conditioner

engine oil level indicator

engine oil supply passages

heavy oil engine

engine oil

reaction engine / motor (jet engine)

rotary engine (Wankel engine)

engine ground run / engine test

airbreathing jet engine / ducted jet engine

air-oil shock strut

ammonium nitrate-fuel oil (ANFO)

A-oil

diluted oil

fuel oil barge (YO)

fuel-oil tank

gear-type oil pump

hydraulic oil