1. Remaining after a part is taken, or as residue.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• residal,
• residuetal,
• reschdual,
• residul,
• rescadual,
• resideual,
• risidual,
• resital,
• residula,
• resdual,
• residaul,
• recidal,
• remideal,
• rescedual,
• remidal,
• residuale,
• residule,
• reshedual,
• residuos,
• resudual

• recital,
• recitalist.

The adjective form of the word "residual" is "residual".

The plural of the "residual" can be the "residuals".

The singular of the "residual" can be the "residual".