heart piece
Mechanics
noun
A heart cam in a stopwatch or clock used for returning a hand to zero.
Origin
Late 19th century.
- Adamitism
- Adamless
- a (damn, good, long etc.) sight ——
- Adam, Robert
- Adam's ale
- Adams, Alice
- Adams, Ansel
- Adam's apple
- Adam's Bridge
- adam's fig
- Adams fig
- Adam's flannel
- adamsite
- Adams, John
- Adams, John Couch
- Adams, John Quincy
- Adam's needle
- Adam's Peak
- Adams, Samuel
- Adam's wine
- Adams–Stokes
- Adam Tiler
- Adam Tyler
- Adana
- adance