convert

1. (transitive) To transform or change (something) into another form, substance, state, or product.Examples: "A kettle converts water into steam."; "1684-1690, Thomas Burnet, Sacred Theory of the Earth if the whole atmosphere were converted into water"; "That ſtill leſſens / The ſorrow, and converts it nigh to joy."transitive

2. (transitive) To change (something) from one use, function, or purpose to another.Examples: "And the deff's further sayen that after the said b'gayn the said lambert compounded wt the said lychefeld ffor the moytie of the said Tymber stone glasse yren and tyle aforsaid by fforce whereof the said Lambert and Jane executrix of the testament of the said Thom's lychefeld haue broken and pulled down the stone walles & wyndoes of the said Churche dortr ffratr & cloyster & the same hath taken prceved & convertid to their p'per vses and behofe as lawfull was for the[m] to do by vertue of there said b'gayne & waraunt. All whiche mattrs the said def's ar redy to averre & p've as this hon'able cort shall award. And praye to be dysmyssed wt there resonable costs & charges for ther wrongfull vexac'on & trouble in this behalf."; "He converted his garden into a tennis court."; "“A tight little craft,” was Austin’s invariable comment on the matron; and she looked it, always trim and trig and smooth of surface like a converted yacht cleared for action. ¶ Near her wandered her husband, orientally bland, invariably affable,[…]."transitive

3. (transitive) To induce (someone) to adopt a particular religion, faith, ideology or belief (see also sense 12).Examples: "They converted her to Roman Catholicism on her deathbed."; "No attempt was made to convert the Moslems."; "How little chance, then, should I have against one whose brain was supernaturally sharpened, and who had two thousand years of experience, besides all manner of knowledge of the secrets of Nature at her command! Feeling that she would be more likely to convert me than I should to convert her, I thought it best to leave the matter alone, and so sat silent."transitive

4. (transitive) To exchange for something of equal value.Examples: "We converted our pounds into euros."transitive

5. (transitive) To express (a quantity) in alternative units.transitive

6. (transitive) To express (a unit of measurement) in terms of another; to furnish a mathematical formula by which a quantity, expressed in the former unit, may be given in the latter.Examples: "How do you convert feet into metres?"transitive