plural of Border Collie

plural of rough collie

Synonym of Shetland sheepdog

plural of toy collie

(veterinary medicine) A congenital, inherited, bilateral eye disease of dogs characterized by an underdeveloped choroid.

An instance of colliding. / (physics) Any event in which two or more bodies exert forces on each other in a relatively short time. In a collision, physical contact of two bodies is not necessary.

(physics) the interaction between two moving electric charges at close range

(physics, of an interaction, or of the transfer of energy) That does not involve a collision between particles, bodies, plasmas or waves.

(nautical) A large square of canvas, treated with a sealing agent and attached to lines at each corner; hauled over a damaged part of the hull to limit the inflow of water

(nautical) A strong, watertight transverse bulkhead in the fore part of a ship to prevent water flowing aft in the event of a collision