How to say "residue" in Japanese

• 余剰よじょうCommon
  noun, prenominal modifierReally a word for surplus or excess — what is left over beyond what is needed. Its 'residue' sense is marginal; for residue proper, 残余 is usually the word you want.
• 残余ざんよCommon
  no-adjectiveThe general word for residue as what is left after the rest has been removed, used up, or accounted for; a safe choice when you simply mean 'the remainder'.
• 残滓ざんしCommon
  no-adjectiveResidue as dregs or faint traces — what little is left of something. Covers both physical remains and figurative vestiges, with a nuance of mere leftovers or traces.

For residue as a neutral leftover amount, use 残余; 余剰 is really about surplus or excess, with residue only a marginal sense; 残滓 fits dregs or lingering traces, often figurative.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 余剰よじょうsurplus
• 残余ざんよremainder
• 残滓ざんしremains
• 残りカスのこりカスresidue
• 残基ざんきresidue
• 留数りゅうすうresidue
• 残留物ざんりゅうぶつresidue
• 残渣ざんさdregs
• 濾取ろしゅfiltrand