(physics) The scientific study of the properties and behavior of moving fluids.

plural of correcting fluid

An opaque fast-drying liquid used to cover a mistake written or typed on a piece of paper.

(mechanics) The branch of mechanics dealing with gases and liquids, either at rest or in motion.

plural of cerebrospinal fluid

(medicine) A clear bodily fluid in the form of a very pure saline solution with microglia that occupies the subarachnoid space in the brain (between the skull and the cerebral cortex), and which acts as a cushion or buffer for the cortex.

The clear, colorless, viscous fluid that is secreted from an aroused penis before ejaculation.

plural of fluid ounce

Any of various units of volume used for liquid measure, all approximately 1.73–1.83 cubic inches or 28.4–30 milliliters.

plural of bodily fluid