residuum
[noun]
Synonyms: remainder, balance, heel, leavings, remains, remanet, remnant, residual, residue, rest

[TahlilGaran] English Synonym Dictionary ▲

residuum noun

1. something that remains after a reaction or process has taken place
   Word Originlate 17th cent.: from Latin, neuter of residuus ‘remaining’, from the verb residere.

[TahlilGaran] English Dictionary ▲