hydroscope

hydroscope

A scientist uses a hydroscope to examine marine life in a clear tide pool.

Definition
  1. Noun:
    • A device for seeing under water: "hydroscope" refers to an instrument designed to allow observation of objects or conditions beneath the surface of water, such as a viewing tube or periscope-like apparatus.
    • A water-finding instrument: In historical or specialized contexts, "hydroscope" can mean a tool used to detect the presence of water, often in underground locations.
Usage Examples
  • (The instrument allowed underwater viewing from the boat.)
  • (A tool for detecting water.)
Advanced Usage
  • "hydroscopic observation": the act of using a hydroscope for underwater viewing.

    • The hydroscopic observation of the shipwreck revealed its structure clearly. (Viewing through the hydroscope.)
  • "hydroscope lens": the optical component of the device.

    • The hydroscope lens was specially coated to reduce glare from the water surface. (The lens of the underwater viewing device.)
Variants and Related Words
  • Hydroscopy (n): the practice or science of using a hydroscope.

    • Hydroscopy is essential for shallow-water exploration. (The technique of underwater viewing.)
  • Hydroscopic (adj): relating to a hydroscope or its use.

    • The hydroscopic equipment was carefully calibrated. (Pertaining to the instrument.)
Synonyms
  • Underwater viewer: a general term for any device used to see below the water's surface.
  • Water glass: a simple, old-fashioned device for looking into water (often a tube with a glass bottom).
Phrasal Verbs
Related Idioms