accumulator

noun

ac·​cu·​mu·​la·​tor ə-ˈkyü-m(y)ə-ˌlā-tər 

plural accumulators

: one that accumulates: such as

a

: a device (as in a hydraulic system) in which a fluid is collected and especially in which it is kept under pressure as a means of storing energy

b

British : storage battery

c

: a part (as in a computer) where numbers are totaled or stored

d

chiefly British : a betting arrangement in which winnings garnered from one bet are immediately used to finance a subsequent bet : parlay

Examples of accumulator in a Sentence

Recent Examples on the Web

Your Next Read Can Andoni Iraola’s Bournemouth defy the bookmakers to secure a top-six league finish? Could betting on Manchester City to qualify be the best value for your FA Cup accumulator? —Julia Ranney, New York Times, 28 Mar. 2025

In 1947, following media exposes, the FDA obtained an injunction against the interstate shipment of Reich’s accumulators. —Matthew Wills, JSTOR Daily, 8 Dec. 2024

Claiming all sorts of health benefits for these accumulators, Reich marketed them. —Matthew Wills, JSTOR Daily, 8 Dec. 2024

Patients Come First implores California to recognize the harm caused by copay accumulators and keep patient choice at the center of the discussion. —Letters To The Editor, The Mercury News, 14 May 2024

Word History

Etymology

accumulate + -or entry 1

First Known Use

circa 1611, in the meaning defined above

Rhymes for accumulator

• accelerator
• adjudicator
• administrator
• appropriator
• articulator
• attenuator
• bronchodilator
• collaborator
• communicator
• conciliator
• cooperator
• coordinator

Kids Definition

accumulator

noun

ac·​cu·​mu·​la·​tor ə-ˈkyü-m(y)ə-ˌlāt-ər 

: one that accumulates

especially : a part (as in a computer) where numbers are totaled or stored