/ kənˈvɜːʃn; NAmE -ˈvɜːrʒn; -ʃn/ noun
1.
[ U , C ] ~ (from sth) (into / to sth) the act or process of changing sth from one form, use or system to another :
the conversion of farm buildings into family homes
No conversion from analogue to digital data is needed.
a metric conversion table (= showing how to change metric amounts into or out of another system)
a firm which specializes in house conversions (= turning large houses into several smaller flats / apartments)
2.
[ U , C ] ~ (from sth) (to sth) the process or experience of changing your religion or beliefs :
the conversion of the Anglo-Saxons by Christian missionaries
his conversion from Judaism to Christianity
3.
[ C ] ( in rugby and American football ) a way of scoring extra points after scoring a try or a touchdown
4.
[ C ] barn / loft ~ a building or room that has been changed so that it can be used for a different purpose, especially for living in
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WORD ORIGIN
Middle English (in the sense turning of sinners to God ): via Old French from Latin conversio(n-) , from convers- turned about, from the verb convertere turn about, from con- altogether + vertere turn.