Definition

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

Usage

• The term "dish aerial" is used to describe the physical antenna structure. It is synonymous with "satellite dish" or "parabolic antenna" in common usage.
• It functions by focusing incoming radio waves onto a receiver or directing outgoing waves from a transmitter.

Examples

• Noun:
  • We installed a new dish aerial on the roof to get better satellite TV reception.
  • The observatory uses a large dish aerial to collect radio signals from space.

Advanced Usage

• Technical Context: In engineering and telecommunications, a "dish aerial" is valued for its high directivity and gain, making it essential for point-to-point communication links.
• "To dish" (slang, unrelated): Note that the verb "to dish" (e.g., to gossip or serve food) is not related to the noun "dish aerial."

Variants and Related Words

• Satellite dish (n): A common term for a dish aerial used specifically for receiving broadcast signals from a communication satellite.
• Parabolic antenna (n): The more technical term for a dish aerial, emphasizing its parabolic reflector shape.
• Dish (n, informal): A shortened, casual form of "dish aerial" or "satellite dish."
  • Can you adjust the dish? The signal is weak.

Synonyms

• Parabolic reflector: Highlights the key reflective component.
• Microwave antenna: Describes its common use with microwave frequencies.

Related Phrases

• To have a dish installed: A common phrase meaning to get a satellite television service set up at one's home.
  • We decided to have a dish installed to access more channels.

Noun

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