the hemisphere that includes Eurasia and Africa and Australia
orient
Verb
adjust to a specific need or market
orient
Verb
familiarize (someone) with new surroundings or circumstances
orient
Verb
determine one's position with reference to another point
orient
Verb
cause to point
orient
Verb
be oriented
Orient
Noun
the countries of Asia
out of bounds
Noun
a line that marks the side boundary of a playing field
old country
Noun
the country of origin of an immigrant
out-of-doors
Noun
where the air is unconfined
open air
Noun
where the air is unconfined
outstation
Noun
a station in a remote or sparsely populated location
overlook
Noun
a high place affording a good view
overlook
Verb
leave undone or leave out
overlook
Verb
watch over
overlook
Verb
look past, fail to notice
overlook
Verb
look down on
overlook
Verb
be oriented in a certain direction
outport
Noun
a subsidiary port built in deeper water than the original port (but usually farther from the center of trade)
observation post
Noun
an elevated post affording a wide view
oilfield
Noun
a region rich in petroleum deposits (especially one with producing oil wells)
observer's meridian
Noun
a meridian that passes through the observer's zenith
orphan site
Noun
a toxic waste area where the polluter could not be identified or the polluter refused to take action or pay for the cleanup
outskirt
Noun
a part of the city far removed from the center
occident
Noun
the hemisphere that includes North America and South America
off-Broadway
Noun
low-budget theaters located outside the Broadway area in Manhattan
onomatomania
Noun
obsession with a particular word which the person uses repeatedly or which intrudes into consciousness
ore bed
Noun
a stratum of ore
outcrop
Noun
the part of a rock formation that appears above the surface of the surrounding land
outcrop
Verb
appear on the surface, come to the surface on the ground
outcropping
Noun
the part of a rock formation that appears above the surface of the surrounding land
outer planet
Noun
(astronomy) a major planet whose orbit is outside the asteroid belt (Jupiter, Saturn, Uranus, Neptune, Pluto)
outthrust
Noun
an outcropping of rock that extends outward
oxbow lake
Noun
a crescent-shaped lake (often temporary) that is formed when a meander of a river is cut off from the main channel
ozone hole
Noun
an area of the ozone layer (near the poles) that is seasonally depleted of ozone
ozone layer
Noun
a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
ozonosphere
Noun
a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
obliterator
Noun
an eliminator that does away with all traces
ocean
Noun
a large body of water constituting a principal part of the hydrosphere
ocean
Noun
anything apparently limitless in quantity or volume
ocean floor
Noun
the bottom of a sea or ocean
ocean bottom
Noun
the bottom of a sea or ocean
oceanfront
Noun
land bordering an ocean
offing
Noun
the part of the sea that can be seen from the shore and is beyond the anchoring area
offing
Noun
the near or foreseeable future
oil-water interface
Noun
an interface forming the boundary between the non-miscible liquids oil and water
open chain
Noun
a chain of atoms in a molecule whose ends are not joined to form a ring