antenna
/æn'tenə/ Cách viết khác : (antennae) /æn'teni:/
Học thuậtThân thiện
Definition
- Noun:
- A sensory appendage on the head of insects, crustaceans, and some other arthropods: One of a pair of long, thin, segmented structures used for touch, smell, and sometimes taste.
- A natural sensitivity or intuitive understanding: A special ability to detect or sense subtle trends, feelings, or information, similar to how an antenna detects signals.
- A metallic device for transmitting or receiving electromagnetic waves: An electrical device, often a rod or wire, used in radio, television, or telecommunications to send or receive signals.
Examples of Usage
- Noun (Sensory appendage):
- The beetle uses its antenna to explore its environment.
- Antennae help insects detect chemicals in the air.
- Noun (Intuitive sensitivity):
- A good journalist has an antenna for important stories.
- She has a political antenna that helps her understand public opinion.
- Noun (Electrical device):
- We installed a new television antenna on the roof.
- The car's radio antenna was broken.
Advanced Usage
- "To have one's antenna up": To be alert and attentive, trying to detect information or subtle cues.
- During the negotiations, he had his antenna up for any sign of disagreement.
- "To put up an antenna": Literally, to install a signal-receiving device; figuratively, to become more receptive or attentive.
- The company is putting up its antenna to catch new market trends.
Variants and Related Words
- Antennae (n): The plural form most commonly used for the sensory appendages of insects.
- Butterflies have beautiful, clubbed antennae.
- Antennas (n): The plural form often used for electronic devices, and sometimes for insect appendages in less technical contexts.
- The building was covered in satellite antennas.
- Antennal (adj): Relating to an antenna.
- The insect's antennal segments were clearly visible.
Synonyms
- Feeler: A synonym for the sensory appendage on an insect.
- Aerial: A common synonym, especially in British English, for the radio/TV signal device.
- Intuition, sensitivity: Synonyms for the figurative meaning of natural detection ability.
Related Phrases
- Antenna array: A group of multiple antennas working together as a single unit to improve signal direction or strength.
- The radar station uses a large antenna array.
- Dish antenna: A parabolic antenna shaped like a dish, used for satellite communications.
- The satellite TV signal is received by a dish antenna.
Related Idioms
- On the same wavelength: Thinking in a similar way or understanding each other well. (This idiom relates to the radio signal concept of an antenna).
- We work well together because we're on the same wavelength.
Noun
- one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste
- sensitivity similar to that of a receptor organ
- he had a special antenna for public relations
- an electrical device that sends or receives radio or television signals