Fluid secreted by the lacrimal glands to lubricate the eye and fight bacteria. It consists of water, mucin, lipids, lysozyme, lactoferrin, lipocalin, lacritin, immunoglobulins, glucose, urea, sodium, and potassium.

An artificial nutrient fluid invented for the study of alcoholic fermentation, but used also for the cultivation of bacteria and other organisms. It contains all the elements of protoplasm, and was originally made of the ash of yeast, some ammonia compound, sugar, and water.

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.

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

(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.

plural of amniotic fluid embolism

A thixotropic liquid applied to screw threads that keeps them from loosening.

(automotive) A liquid used to reduce controlled emissions from the exhaust of diesel engines

(computing, mechanics) The study of computational algorithms to solve mathematical problems in the field of fluid dynamics.