a rocket-propelled guided missile that can escape the earth's atmosphere; makes observations of the solar system that cannot be made by terrestrial observation
a group of animals of the same type living together
(microbiology) a group of organisms grown from a single parent cell
a body of people who settle far from home but maintain ties with their homeland; inhabitants remain nationals of their home state but are not literally under the home state's system of government
a geographical area politically controlled by a distant country
one of the 13 British colonies that formed the original states of the United States
the occurrence of incoming water (between a low tide and the following high tide); "a tide in the affairs of men which, taken at the flood, leads on to fortune" -Shakespeare
a world organization of autonomous states that are united in allegiance to a central power but are not subordinate to it or to one another
the official name of some states in the United States (Massachusetts and Pennsylvania and Virginia and Kentucky) and associated territories (Puerto Rico)