say it: ri-MAYN-dur
remainder is a noun and verb meaning "something left after other parts have been taken away". It carries 5 recorded senses.
the part of the dividend that is left over when the dividend is not evenly divisible by the divisor
the number that remains after subtraction; the number that when added to the subtrahend gives the minuend
a piece of cloth that is left over after the rest has been used or sold
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for remainder come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.