the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
cow pasture
Noun
a pasture for cows
casbah
Noun
an older or native quarter of many cities in northern Africa
celestial latitude
Noun
(astronomy) the angular distance of a celestial body north or to the south of the celestial equator
celestial orbit
Noun
the (usually elliptical) path described by one celestial body in its revolution about another
celestial longitude
Noun
(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky
coastline
Noun
the outline of a coast
coal seam
Noun
a seam of coal
coalface
Noun
the part of a coal seam that is being cut
coaling station
Noun
a seaport where ships can take on supplies of coal
coalfield
Noun
a region where there is coal underground
car park
Noun
a lot where cars are parked
city block
Noun
a rectangular area in a city surrounded by streets and usually containing several buildings
countryside
Noun
rural regions
churchyard
Noun
the yard associated with a church
celestial pole
Noun
one of two points of intersection of the Earth's axis and the celestial sphere
cow town
Noun
a small town in a cattle-raising area of western North America
cowtown
Noun
a small town in a cattle-raising area of western North America
close quarters
Noun
a situation of being uncomfortably close to someone or something
combat zone
Noun
a military area where combat forces operate
combat zone
Noun
a city district known for its vice and high crime rate
combat area
Noun
a military area where combat forces operate
continental divide
Noun
the watershed of a continent (especially the watershed of North America formed by a series of mountain ridges extending from Alaska to Mexico)
campong
Noun
a native village in Malaysia
Coventry
Noun
the state of being banished or ostracized (excluded from society by general consent)
cacoethes
Noun
an irrational but irresistible motive for a belief or action
cathexis
Noun
(psychoanalysis) the libidinal energy invested in some idea or person or object
charm quark
Noun
a quark with an electric charge of +2/3 and a mass 2900 times that of an electron and a charm of +1
chasm
Noun
a deep opening in the earth's surface
creek
Noun
a natural stream of water smaller than a river (and often a tributary of a river)
caldera
Noun
a large crater caused by the violent explosion of a volcano that collapses into a depression
cow chip
Noun
a piece of dried bovine dung
cow dung
Noun
a piece of dried bovine dung
chondrite
Noun
a rock of meteoric origin containing chondrules
chondrule
Noun
small granule (of e.g. chrysolite) found in some meteoric rocks
chromosphere
Noun
a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun
cinder
Noun
a fragment of incombustible matter left after a wood or coal or charcoal fire
cirque
Noun
a steep-walled semicircular basin in a mountain
corrie
Noun
a steep-walled semicircular basin in a mountain
cwm
Noun
a steep-walled semicircular basin in a mountain
cirrocumulus
Noun
a cloud at a high altitude consisting of a series of regularly arranged small clouds resembling ripples
canyon
Noun
a ravine formed by a river in an area with little rainfall
cirrocumulus cloud
Noun
a cloud at a high altitude consisting of a series of regularly arranged small clouds resembling ripples
canyonside
Noun
the steeply sloping side of a canyon
cirrostratus
Noun
a thin uniform layer of hazy cloud at high altitude
cirrostratus cloud
Noun
a thin uniform layer of hazy cloud at high altitude
cirrus cloud
Noun
a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles)
clast
Noun
(geology) a constituent fragment of a clastic rock
clastic rock
Noun
(geology) a rock composed of broken pieces of older rocks