Meaning of CONVERSION in English

CONVERSION

[noun]Her conversion to Buddhism/Islam was a gradual process which took place over many years. [C]He used to be very right-wing, but he's undergone something of a conversion recently. [C]What brought about your conversion to the bicycle after so many years of going around in a car? [C]Solar power is the conversion of the sun's energy into heat and electricity. [U]It's 50 000 pesetas - I'm just trying to work out the conversion of that into dollars. [U]Their apartment is a modernized conversion (= a place for living in that has been changed from its previous use) in an old factory building. [C]

Cambridge English vocab.      Кембриджский английский словарь.