Definition

1. Adjective:
   • Relating to hydrography: "hydrographical" describes anything pertaining to the scientific study and mapping of bodies of water, including oceans, seas, lakes, and rivers, with a focus on their physical features, depths, tides, and currents.

Usage Examples

• Adjective:
  • The team conducted a hydrographical survey of the coastal waters.
  • This chart is based on the latest hydrographical data.
  • Hydrographical research is vital for safe navigation.

Advanced Usage

• "Hydrographical office/bureau": A government or institutional department responsible for conducting hydrographic surveys and producing nautical charts.
  • Mariners should consult updates from the national hydrographical office.

Variants and Related Words

• Hydrographic (adj): An alternative, and more commonly used, form with the same meaning as "hydrographical".
  • The hydrographic survey revealed a new underwater ridge.
• Hydrography (n): The science itself.
  • He specialized in hydrography.
• Hydrographer (n): A scientist who practices hydrography.
  • The hydrographer analyzed the sonar readings.

Synonyms

• Bathymetric: Specifically relating to the measurement of water depth.
• Oceanographic: Relating to the study of the ocean, which often overlaps with hydrographic studies.

Notes on Meaning

• The term "hydrographical" is primarily technical and scientific. It is often used interchangeably with "hydrographic," though "hydrographic" is more frequent in modern usage. Both adjectives modify nouns related to the practice, data, or instruments of the science.

Adjective

1. of or relating to the science of hydrography