## Topic: MATHS

Date: | 1100-1200 |

Language: | Old French |

Origin: | multiplier, from Latin multiplicare, from multiplex; MULTIPLEX |

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mul‧ti‧ply past tense and past participle multiplied, present participle multiplying, third person singular multiplies

1 [intransitive and transitive]HM to do a calculation in which you add a number to itself a particular number of times [↪ divide]:

Children will learn to multiply in the second grade.

2 [intransitive and transitive] to increase by a large amount or number, or to make something do this :

The amount of information available has multiplied.

Smoking multiplies the risk of heart attacks and other health problems.

3 [intransitive] to breed :

Bacteria multiply quickly in warm food.