The engineer adjusted the magnetorheological fluid in the damper to stiffen the suspension during testing.

In many engineering calculations, water is treated as a Newtonian fluid to simplify the analysis of flow.

During the ultrasound, the doctor measured the amniotic fluid to ensure the fetus was developing normally.

The nurse collected a sample of vaginal fluid for laboratory testing to check for infection.

Her graduate research in fluid dynamics revealed unexpected vortex interactions near the boundary.

I reached for the correcting fluid to cover the typo before handing in the form.

The chemist used a supercritical fluid, a substance at temperatures and pressures above its thermodynamic critical point that can diffuse through solids like a gas and dissolve materials like a liquid, to extract delicate compounds from the sample.

When I told my cousin his car needed blinker fluid, he actually went to the store to buy a bottle.

The paramedic team began fluid loading to stabilize the patient who had lost a significant amount of blood at the accident scene.

Some cosmologists propose that a dark fluid permeates the universe, behaving like dark matter on galactic scales while driving accelerated expansion on cosmic scales.