1. One who or that which multiplies or increases; the number by which another is multiplied; an instrument for intensifying the force of an electric current.

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

• multiplexer,
• multiplle,
• multipling,
• multipled,
• multiplue,
• multplied,
• mulitplier,
• multiplyer,
• mutliplier,
• multiploe,
• muliplier,
• multipler,
• multiplierd,
• miultiplier,
• multipiler,
• mulltiplier,
• multiplicater,
• multipliyer,
• multiplaier,
• multipixer

• multiphase,
• multiform,
• multiple,
• multivalency,
• multiplexer,
• multiversity,
• multifarious,
• multiplex,
• multiplied,
• multivalence,
• multiply,
• multiparous,
• multipurpose,
• multivalent,
• multivariate,
• multiflora,
• multiplicity,
• multiplicand,
• multiple star,
• multipartite.

The adjective form of the word "multiplier" is "multiplicative".

The plural of the "multiplier" can be the "multipliers".

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