Definition

Noun: A directional antenna consisting of a parabolic reflector, typically shaped like a dish or bowl, used for receiving or transmitting microwave or radio frequency radiation, such as satellite television signals.

Usage

A dish antenna is used to focus radio waves to a single point. It is commonly seen on rooftops or in yards for receiving satellite broadcasts. - The technician installed a new dish antenna on the roof to get better satellite TV reception. - Large dish antennas are used by astronomers to collect radio waves from space.

Advanced Usage

• Scientific and Military Use: Large, precise dish antennas are critical for deep-space communication, radio astronomy, and radar systems.
  • The observatory's giant dish antenna can detect signals from distant galaxies.

Variants and Related Words

• Satellite Dish: A common type of dish antenna specifically for receiving satellite television or internet.
• Parabolic Antenna: A more technical term for a dish antenna, emphasizing its parabolic reflector shape.
• Dish Aerial (chiefly British): Another term for a dish antenna.

Synonyms

• Parabolic Reflector
• Microwave Antenna

Related Phrases

• To install a dish antenna: The process of setting up the antenna.
  • We need to install a dish antenna facing the southern sky.
• Dish antenna alignment: The adjustment of the antenna's direction for optimal signal.
  • Poor signal is often due to incorrect dish antenna alignment.

Noun

1. directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation