contact | close interaction, they kept in daily contact, they claimed that they had been in contact with extraterrestrial beings |
eye contact | contact that occurs when two people look directly at each other, a teacher should make eye contact with the students |
contact physical contact | the act of touching physically, her fingers came in contact with the light switch |
contact sport | a sport that necessarily involves body contact between opposing players |
radio observation | an observation made with a radio telescope |
clock radio | a radio that includes a clock that can be set to turn it on automatically |
contact tangency | (electronics) a junction where things (as two electrical conductors) touch or are in physical contact, they forget to solder the contacts |
contact contact lens | a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication |
contact print | a print made by exposing a photosensitive surface to direct contact with a photographic negative |
electrical contact | contact that allows current to pass from one conductor to another |
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 |
wiper wiper arm contact arm | contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet |
radio brightness | the strength of a radio wave picked up by a radio telescope |
radio frequency | an electromagnetic wave frequency between audio and infrared |
radio astronomy | the branch of astronomy that detects and studies the radio waves emitted by celestial bodies |
liaison link contact inter-group communication | a channel for communication between groups, he provided a liaison with the guerrillas |
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 |
eye contact | a meeting of the eyes between two people that expresses meaningful nonverbal communication, it was a mere glance, but the eye contact was enough to tell her that he was desperate to leave |
radio beacon | a characteristic signal emitted by a transmitter used for navigation |
contact touch | a communicative interaction, the pilot made contact with the base, he got in touch with his colleagues |
contact impinging striking | the physical coming together of two or more things, contact with the pier scraped paint from the hull |
radio noise | static at radio wavelengths |
quasar quasi-stellar radio source | a starlike object that may send out radio waves and other forms of energy, many have large red shifts |
radio source | an object that radiates radio waves |
contact middleman | a person who is in a position to give you special assistance, he used his business contacts to get an introduction to the governor |
radio announcer | an announcer whose voice is broadcast on radio |
radio operator | someone who operates a radio transmitter |
De Forest Lee De Forest Father of Radio | United States electrical engineer who inpatented the first triode vacuum tube, which made it possible to detect and amplify radio waves (-) |
radiopacity radio-opacity | opacity to Xays or other radiation |
radio wave radio emission radio radiation | an electromagnetic wave with a wavelength between . cm to , m |
radio signal | a radio wave used to transmit and receive messages |
radio spectrum radio-frequency spectrum | the entire spectrum of electromagnetic frequencies used for communications, includes frequencies used for radio and radar and television |
catalysis contact action | acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction, of the topcommodity chemicals,are created directly by catalysis and another are made from raw materials that are catalytically produced |