# Definition of modulo in English:

## modulo

### preposition

• 1Mathematics
(in number theory) with respect to or using a modulus of a specified number. Two numbers are congruent modulo a given number if they give the same remainder when divided by that number.

‘19 and 64 are congruent modulo 5’
• ‘All that is left to determine is the case of linking numbers congruent to 0 modulo 4.’
• ‘I mathematically proved that the repeated addition process is the same as looking at the number modulo 9, i.e. divide by 9 and look at the remainder.’
• ‘In particular he examined the remainders of powers of a number modulo n.’
• ‘He also made contributions on the uniform distribution of numbers modulo 1 which are fundamental in analytic number theory.’
• ‘Each time you are ready to make a flip, you note the number that appears in the upper righthand corner, and calculate the successor of that number modulo 4.’
1. 1.1as modifier Using moduli.
‘modulo operations’
• ‘In the mass-conserving variation, modulo 3 arithmetic is more useful.’

## modulo

/ˈmäjəˌlō/ /ˈmɑdʒəˌloʊ/

### Origin

Late 19th century from Latin, ablative of modulus (see modulus).