Definition

1. Noun:
   • The science of measuring, describing, and mapping surface waters: Hydrography is the scientific field concerned with the measurement, description, and cartographic representation of the Earth's surface waters, with particular emphasis on applications for safe navigation.

Usage Examples

• Noun:
  • Modern hydrography uses sonar technology to map the ocean floor.
  • Accurate hydrography is essential for creating nautical charts.
  • The government agency is responsible for the hydrography of the nation's coastal waters.

Advanced Usage

• "Hydrographic survey": A systematic measurement and description of physical features of an area of water.

  • A hydrographic survey was conducted before the new port could be built.

• "Hydrographic data": Information collected about the depth, tide, current, and bottom characteristics of a body of water.

  • The ship collected hydrographic data for the entire bay.

Variants and Related Words

• Hydrographer (n): A scientist or professional who practices hydrography.

  • The hydrographer analyzed the soundings to update the chart.

• Hydrographic (adj): Relating to hydrography.

  • The vessel is equipped for hydrographic research.

Synonyms

• Marine cartography: The making of maps and charts of the sea.
• Bathymetry: The measurement of water depth (a key component of hydrography).

Related Phrases

(Note: As a scientific noun, 'hydrography' does not form standard phrasal verbs. Related phrases are technical compounds.)

Related Idioms

(Note: As a specialized scientific term, 'hydrography' is not commonly used in idiomatic expressions.)

Noun

1. the science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation