Meaning of CONVERSION in English

CONVERSION

con ‧ ver ‧ sion AC /kənˈvɜːʃ ə n $ -ˈvɜːrʒ ə n/ BrE AmE noun [uncountable and countable]

[ Date: 1300-1400 ; Language: Old French ; Origin: Latin conversio , from convertere ; ⇨ ↑ convert 1 ]

1 . when you change something from one form, purpose, or system to a different one

conversion into

The warehouse was undergoing conversion into apartments.

conversion of

the conversion of waste into usable products

conversion to

The British conversion to the metric system took place in the 1970s.

house/barn/loft etc conversion British English (=when you change the use of a house, barn etc, so that it becomes apartments, a house, a room etc)

2 . when someone changes from one religion or belief to a different one

conversion to

a conversion to vegetarianism

conversion from

Newman’s conversion from Anglicanism to Catholicism

3 . a way of scoring extra points in ↑ rugby or ↑ American football

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.