preposition
- Mathematics With respect to a specified modulus: 18 is congruent to 42 modulo 12 because both 18 and 42 leave 6 as a remainder when divided by 12.
- Correcting or adjusting for something, as by leaving something out of account: This proposal is the best so far, modulo the fact that parts of it need modification.
Origin of modulo
Latin modulō ablative of modulus diminutive of modus measure ; see mode .