period–luminosity
Astronomy
adjective
Designating or relating to a law relating the period of a variable star, especially a cepheid, to its luminosity, used in establishing its distance from the earth.
Origin
Early 20th century.
- above-noted
- above oneself
- above (or below or under) par
- above (or below) the fold
- above (or beyond) reproach
- above-quoted
- above-recited
- abovesaid
- above stairs
- above-stated
- above suspicion
- above the bit
- above the law
- above the line
- above-written
- ab ovo
- a bowl of cherries
- abox
- abozzo
- Abp
- abracadabra
- abradant
- abrade
- abrader
- Abraham