multiplier - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

From multiply +‎ -er.

• enPR: mŭlʹ-tĭ-plī'-ər, IPA^(key): /ˈmʌltɪˌplaɪəɹ/
  • (UK) IPA^(key): [ˈmʌɫ.tɪˌplaɪ.ə(ɹ)]
  • (US) IPA^(key): [ˈmʌɫ.tɪˌplaɪ.ɚ]
• Hyphenation: mul‧ti‧pli‧er

multiplier (plural multipliers)

1. (arithmetic) A number by which another (the multiplicand) is to be multiplied.

   In the expression 5 × 7, the "5" is a multiplier.

   The score multiplier increases each time you complete a level of the video game.

   • 1997, Christopher Alan White, The Development of Ab Initio Methods for the Treatment of Large Molecules:

     The electron number constraint unlike the idempotency constraint can be represented by a single equation. For this reason, one can properly incorporate this constraint using a Lagrange multiplier and defining an effective chemical potential

   • 2018, Lars Ljungqvist and Thomas J. Sargent, Recursive macroeconomic theory, 4th edition, MIT Press, page 129:

     After studying a recursive formulation and the associated Bellman equation, in section 5.5 we analyze a Lagrangian formulation that provides useful insights about how Lagrange multipliers on transition laws relate to gradients of value functions.

2. (grammar) An adjective indicating the number of times something is to be multiplied.

   English multipliers include "double" and "triple".

3. (economics) A ratio used to estimate total economic effect for a variety of economic activities.

   • 2024 November 3, Will Hutton, “Investment drives growth. That’s why gloomy forecasters are so wrong about the budget”, in The Guardian‎^[1]:

     There is a second-round effect of crowding in higher private investment as public sector contractors tool up to meet the public contracts, and then a third – as all firms adjust to the higher level of demand by raising business investment levels – of more crowding in and so-called “multiplier effects”.

4. (physics) Any of several devices used to enhance a signal
   1. (physics, obsolete) a coil; when Johann Schweigger in 1820 invented the electric coil, increasing the electro-magnetic field from a single wire, this invention was called a multiplier.
5. A multiplier onion.

   • 1995, Marian Coonse, Onions, Leeks and Garlic: A Handbook for Gardeners, page 52:

     Shallots are the most prolific of all the multipliers, and easier to grow than onions.

• (arithmetic): operand

• (grammar): cardinal number, distributive number, ordinal number

Other terms used in arithmetic operations:

Advanced hyperoperations: tetration, pentation, hexation

• mechanical torque multiplier
• power multiplier (outlet)

• multiperil

Inherited from Middle French multiplier, learned remodelling of Old French molteplier, moltepleier (also monteplier), from Latin multiplicāre. By surface analysis, multi- +‎ plier.

• IPA^(key): /myl.ti.pli.je/

multiplier

1. (mathematics) to multiply
2. to multiply
3. (reflexive) to multiply, to increase

• multiplicatif
• multiplication

• “multiplier”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.