Definitions

1. noun

A molecule or structure that receives and responds to a signal, such as a hormone or neurotransmitter, in a cell or organism.

“The neuron has a receptor for the neurotransmitter dopamine.”

2. noun

A part of an aircraft or spacecraft that receives and responds to signals, such as radar or radio waves.

“The radar system uses a receptor to track incoming aircraft.”

3. noun

A device or system that receives and responds to a signal, such as a TV antenna or a radio receiver.

“The TV uses a receptor to receive broadcast signals.”

4. noun

A structure or molecule that receives and responds to a stimulus, such as a cell surface receptor.

“The cell surface receptor responds to the binding of a hormone.”

5. verb

To receive and respond to a signal, such as a hormone or neurotransmitter.

“The cell receptor responds to the signal by activating a response.”