Word: Transponder
Definition: A transponder is a special electrical device that receives a signal and then sends back a specific reply. It's often used in communication systems, such as satellites, airplanes, and some cars.
Usage Instructions: - Transponder is a noun, so it is used to name a thing. - You can use it in sentences where you talk about technology, transportation, or communication.
Example Sentence: "The airplane's transponder helps air traffic controllers track its location in the sky."
Advanced Usage: In more technical contexts, you might discuss different types of transponders, like: - Passive Transponder: Only reflects signals it receives. - Active Transponder: Generates its own signals.
Word Variants: - Transpond (verb): To send back a signal (less commonly used). - Transponders (plural): More than one transponder.
Different Meanings:While the primary meaning relates to electronics and communication, the concept of a "transponder" can also be metaphorically used in discussions about responses or reactions in other fields, such as psychology or social behavior.
Synonyms: - Signal repeater - Relay device - Communication device
Idioms and Phrasal Verbs:There are no specific idioms or phrasal verbs that include "transponder," as it is a technical term. However, you might hear phrases like "send a signal back," which relates to the function of a transponder.
Summary: A transponder is a device that plays a crucial role in modern technology, especially in aviation and satellite communications.