hard sphere
chiefly Physics
noun
(As a concept in theoretical models) an idealized sphere that is perfectly hard, inelastic, and impenetrable.
Origin
Early 19th century.
- brush discharge
- brushed
- brush fire
- brushfire
- brushless
- brush-like
- brush-off
- brush past
- brush someone/thing aside
- brush someone/thing off
- brushstroke
- brushtail
- brush-tailed possum
- brush-turkey
- brush-up
- brush up on (or brush something up)
- brush wolf
- brushwood
- brushwork
- brushy
- brusque
- brusquely
- brusqueness
- brusquerie
- Brussels