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.
- thermolabile
- thermoluminescence
- thermoluminescent
- thermolysis
- thermolytic
- thermometer
- thermometric
- thermometrical
- thermometry
- the R months
- thermonuclear
- thermophile
- thermophilic
- thermophotovoltaic
- thermopile
- thermoplastic
- Thermopylae
- thermoregulate
- thermoregulation
- thermoregulatory
- thermos
- thermos bottle
- thermoset
- thermosetting
- thermos flask