Dictionary Home »
Science » antenna
antenna science definition
- One of a pair of long, slender, segmented appendages on the heads of insects, centipedes, millipedes, and crustaceans. Most antennae are organs of touch, but some are sensitive to odors and other stimuli.
- A metallic device for sending or receiving electromagnetic waves, such as radio waves. Some antennas can send waves in or receive waves from all directions; others are designed to work only in a range of directions.
Learn more about antenna