1 the process of converting or of being converted.
▶ Brit. a building that has been converted to a new purpose.
▶ Law the changing of real property into personalty, or of joint into separate property, or vice versa.
2 Rugby a successful kick at goal after a try.
▶ American Football an act of converting a touchdown or a down.
3 Psychiatry the manifestation of a mental disturbance as a physical disorder or disease.
4 Law the action of wrongfully dealing with goods in a manner inconsistent with the owner’s rights.
—origin Middle English: via Old French from Latin conversio(n-), from convers-, convertere (see convert).
1 an arithmetical multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another.
2 Economics the manufacturing cost of a product relative to the cost of raw materials.
■ verb /kənˈvəːt/
1 change or cause to change in form, character, or function.
▶ change (money, stocks, or units in which a quantity is expressed) into others of a different kind.
▶ adapt (a building) to make it suitable for a new purpose.
2 change one’s religious faith or other belief.
3 Logic transpose the subject and predicate of (a proposition) according to certain rules to form a new proposition by inference.
4 Rugby score extra points after (a try) by a successful kick at goal.
▶ American Football make an extra score after (a touchdown) by kicking a goal or running another play into the end zone.
▶ American Football advance the ball far enough after (a down) to get another try for a first down.
■ noun /ˈkɒnvəːt/ a person who has changed their religious faith or other belief.
convert something to one’s own use Law wrongfully make use of another’s property.
—origin Middle English: from Old French convertir, based on Latin convertere ‘turn about’.
converter (also convertor)
1 a person or thing that converts something.
2 a retort used in steel-making.
■ noun a nuclear reactor that converts fertile material into fissile material.
Soanes, C., & Stevenson, A. (Eds.). (2004). Concise Oxford English dictionary (11th ed.). Oxford: Oxford University Press.