helicopter radio transmitter

helicopter Noun

— A helicopter is a type of aircraft. It does not have wings, but has two or more long blades which rotate. It is able to move in any direction, forward or back, up or down, or stay in one place. The helicopter flew over the sea and was able to land on the ship.

radio Noun

— A radio is piece of electronic equipment that sends or receives signals though the air and plays voice, music, or other sounds. I used to carry a small radio, but now I have an MP3 player. When I'm in the car, I usually listen to the radio. The news will be on the radio in about five minutes. CBC 99.1 FM is my favorite radio station. The pilot tried to contact the airport over the radio.

radio Verb

— If you radio someone, you send a message to them using a radio. — If you radio a message, you send it to someone using a radio.

transmitter

— noun set used to broadcast radio or tv signals — noun (= vector) any agent (person or animal or microorganism) that carries and transmits a disease mosquitos are vectors of malaria and yellow fever fleas are vectors of the plague aphids are transmitters of plant diseases when medical scientists talk about vectors they are usually talking about insects — noun (= sender) someone who transmits a message return to sender