Meaning of CONVERSION in English
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
The warehouse was undergoing conversion into apartments.
the conversion of waste into usable products
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
a conversion to vegetarianism
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. 2012