escapement

noun

es·​cape·​ment i-ˈskāp-mənt How to pronounce escapement (audio)
1
a
: a device in a timepiece which controls the motion of the train of wheelwork and through which the energy of the power source is delivered to the pendulum or balance by means of impulses that permit a tooth to escape from a pallet at regular intervals
b
: a ratchet device (such as the spacing mechanism of a typewriter) that permits motion in one direction only in equal steps
2
a
: the act of escaping
b
: a way of escape : vent

Illustration of escapement

Illustration of escapement
  • escapement 1a

Examples of escapement in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Among the movements horological enhancements are two escapement wheels that provide a direct impulse to the balance for improved efficiency, stability and a longer power reserve. Carol Besler, Robb Report, 23 Oct. 2024 Key components, including the escapement wheel and anchor, are coated in DiamonSil, a combination of silicon and synthetic diamond that improves durability and precision. Matthew Catellier, Forbes, 21 Oct. 2024 In place of a discrete escapement controlled by an oscillating balance wheel, there is a rotating glide wheel that is electrically braked by magnets controlled using a quartz oscillator. David Flett, Robb Report, 16 Oct. 2024 He is also known for several other groundbreaking inventions, including several advanced escapements, such as the first automatic movement. Anthony Demarco, Forbes, 2 Oct. 2024 See all Example Sentences for escapement 

Word History

First Known Use

1779, in the meaning defined at sense 1a

Time Traveler
The first known use of escapement was in 1779

Dictionary Entries Near escapement

Cite this Entry

“Escapement.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/escapement. Accessed 18 Nov. 2024.

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