- 1[uncountable, countable] conversion (from something) (into/to something) the act or process of changing something from one form, use, or system to another the conversion of farm buildings into family homes Conversion to gas central heating will save you a lot of money. No conversion from analog to digital data is needed. a metric conversion table (= showing how to change metric amounts into or out of another system)
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- 2[uncountable, countable] conversion (from something) (to something) 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 Late in life she experienced a religious conversion. She began by supporting monetarist economics, but later underwent quite a conversion when she saw how it increased unemployment.
- 3[countable] (in football) a way of scoring extra points after scoring a touchdown
- 4[countable] loft conversion a room that has been changed so that it can be used for a different purpose, especially for living in
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