Definition of conversion
1
: the act of converting : the process of being converted
2
: an experience associated with the definite and decisive adoption of a religion
3a
: the operation of finding a converse in logic or mathematics
b
: reduction of a mathematical expression by clearing of fractions
4
: a successful attempt for a point or points especially after a touchdown or for a first down
a 2-point conversion a third-down conversion
5
: something converted from one use to another
6
: gene conversion
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Merriam-Webster unabridged
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Time Traveler for conversion
The first known use of conversion was in the 14th century
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