pulsation theory
Astronomy
noun
A theory explaining the behaviour of certain types of variable stars as due to the expansion and contraction of, or ripples in, their outer layers.
Origin
1920s.
- fluorograph
- fluorographic
- non-fiction
- non-fictional
- non-fighting
- non-figuration
- non-figurative
- non-final
- non-finality
- non-finding
- non-finite
- non-flam
- non-flammability
- non-flammable
- non-flowering
- non-fluent
- non-flying
- non-formal
- non-fossil
- non-frat
- non-fraternization
- nonfriend
- non-fulfilment
- non-functional
- non-functioning