radio observation | an observation made with a radio telescope |
bell tower | a tower that supports or shelters a bell |
church tower | the tower of a church |
clock radio | a radio that includes a clock that can be set to turn it on automatically |
clock tower | a tower with a large clock visible high up on an outside face |
CN Tower | a tower in Toronto, feet tall for broadcasting widely |
conning tower | a raised bridge on a submarine, often used for entering and exiting |
conning tower | an armored pilothouse on a warship |
control tower | a tower with an elevated workspace enclosed in glass for the visual observation of aircraft around an airport |
cooling tower | a cooling system used in industry to cool hot water (by partial evaporation) before reusing it as a coolant |
Eiffel Tower | a wrought iron tower meters high that was constructed in Paris in , for many years it was the tallest man-made structure |
fire tower | a watchtower where a lookout is posted to watch for fires |
highise tower block | tower consisting of a multistoried building of offices or apartments, `tower block' is the British term for `highise' |
Leaning Tower Leaning Tower of Pisa | a tall round marble campanile in Pisa that is not perpendicular, construction was begun in |
lookout observation tower lookout station observatory | a structure commanding a wide view of its surroundings |
martello tower | a circular masonry fort for coastal defence |
mooring tower mooring mast | a tower for mooring airships |
omnirange omnidirectional range omnidirectional radio range | a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing |
push-button radio | a radio receiver that can be tuned by pressing buttons |
radar microwave radar radio detection and ranging radiolocation | measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects |
radio wireless | a communication system based on broadcasting electromagnetic waves |
radio antenna radio aerial | omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received |
radio beacon beacon | a radio station that broadcasts a directional signal for navigational purposes |
radio chassis | a chassis for a radio receiver |
radio compass | a direction finder that gives a bearing by determining the direction of incoming radio signals |
radio interferometer | radio telescope that uses interference patterns from two antennas instead of a parabolic antenna |
radio link link | a two-way radio communication system (usually microwave), part of a more extensive telecommunication network |
radio-phonograph radio-gramophone | electronic equipment consisting of a combination of a radio receiver and a record player |
radio receiver receiving set radio set radio tuner wireless | an electronic receiver that detects and demodulates and amplifies transmitted signals |
radio station | station for the production and transmission of AM or FM radio broadcasts |
radio telescope radio reflector | astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sources |
radio transmitter | transmitter that is the part of a radio system that transmits signals |
Sears Tower | a skyscraper built in Chicago in , feet tall |
shot tower | tower of a kind once used to make shot, molten lead was poured through a sieve and dropped into water |
signal box signal tower | a building from which signals are sent to control the movements of railway trains |
supporting tower | a tower that serves to support something |
tower | a structure taller than its diameter, can stand alone or be attached to a larger building |
Tower of Babel Babel | (Genesis :-) a tower built by Noah's descendants (probably in Babylon) who intended it to reach up to heaven, God foiled them by confusing their language so they could no longer understand one another |
Tower of London | a fortress in London on the Thames, used as a palace and a state prison and now as a museum containing the crown jewels |
Tower of Pharos | a great lighthouse ( feet high) built at Alexandria in BC |
tugboat tug towboat tower | a powerful small boat designed to pull or push larger ships |
water tower | a large reservoir for water |
radio brightness | the strength of a radio wave picked up by a radio telescope |
radio frequency | an electromagnetic wave frequency between audio and infrared |
ivory tower | a state of mind that is discussed as if it were a place, he lived in the ivory tower of speculation, they viewed universities as ivory towers |
radio astronomy | the branch of astronomy that detects and studies the radio waves emitted by celestial bodies |
radio radiocommunication wireless | medium for communication |
radio broadcast | a broadcast via radio |
radio news | a radio broadcast of news |
radio beam beam | a signal transmitted along a narrow path, guides airplane pilots in darkness or bad weather |