a ferrofluid that solidifies in the presence of a magnetic field

(zoology) In placental mammals, a fluid contained within the amnion membrane that surrounds a developing embryo or fetus.

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

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

(medicine) Any liquid discharge from a vagina.

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

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

(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.

(biology) Any organism that subsists on liquids derived from other organisms.

(physiology) A solution found in tissue spaces that inundates and moistens cells in multicellular animals.