Definition

1. Noun:
   • A structure or building designed and equipped for observing astronomical phenomena: A specialized facility housing telescopes and other instruments for studying celestial objects like stars, planets, and galaxies.
   • A structure commanding a wide view of its surroundings: A building or tower situated in a high place, providing an extensive panoramic view, often used for general observation or sightseeing.

Examples of Usage

• Astronomical Observatory:
  • The new observatory has a powerful telescope for studying distant galaxies.
  • They visited the mountain-top observatory to see the stars more clearly.
• General Observation Structure:
  • The old castle's tower served as an observatory for watching the coastline.
  • The scenic overlook features a small observatory for tourists to enjoy the valley view.

Advanced Usage

• "To be under observation": While not a direct phrase with "observatory," the concept is related. An observatory is a place from which observation is conducted.
  • The suspect's house was under observation from a nearby hilltop observatory.
• "Observatory data": Refers to the scientific information collected from an observatory's instruments.
  • The research paper was based on ten years of observatory data.

Variants and Related Words

• Observe (verb): To watch carefully, especially to learn something.
  • Scientists observe the stars through telescopes.
• Observation (noun): 1. The action or process of observing. 2. A remark or statement based on something observed.
  • Her observation of the bird's behavior was very detailed.
• Observational (adjective): Relating to or based on observation.
  • The study used observational methods.

Synonyms

• Lookout: A place from which to keep watch or view the landscape.
• Watchtower: A high tower from which people can look out for enemies, fires, etc.
• Planetarium: A building with a dome where images of stars, planets, and constellations are projected for public education (related but distinct from an observatory).

Related Phrases

(Note: "Observatory" itself is not commonly used in phrasal verbs. Related phrases involve the act of observing.) - To keep under observation: To watch someone or something closely over time. - The doctors decided to keep the patient under observation overnight.

Related Idioms

(Note: There are no common idioms directly using the word "observatory." Idioms are more closely related to the verb "observe.") - A bird's-eye view: A view seen from high above. This is the type of view an observatory might provide. - From the observatory, we had a bird's-eye view of the entire city.

Noun

1. a structure commanding a wide view of its surroundings
2. a building designed and equipped to observe astronomical phenomena