astronomy
Concise Oxford English Dictionary © 2008 Oxford University Press:
astronomy/əˈstrɒnəmi/
▶noun the branch of science which deals with celestial objects, space, and the physical universe as a whole.
– derivatives
astronomer noun.
astronomer noun.
'astronomy' also found in these Oxford entries:
aberration
- absolute magnitude
- aeon
- albedo
- almucantar
- altazimuth
- altitude
- amplitude
- anomalistic month
- anomalistic year
- anomaly
- aphelion
- apo-
- apogee
- apparent magnitude
- apsis
- Aquarius
- Aries
- asterism
- astrobiology
- astronomical
- astronomical unit
- astrophysics
- asynchronous
- autumn
- azimuth
- Baily's beads
- big bang
- big crunch
- binary
- black hole
- blue shift
- Bode's law
- brown dwarf
- burster
- Cancer
- celestial latitude
- celestial longitude
- celestial mechanics
- celestial pole
- cepheid
- circumpolar
- co-latitude
- collapsar
- colure
- coma
- conjunction
- Copernican system
- corona
