1
: of or relating to the characteristic features (such as flow or depth) of bodies of water
2
: relating to the charting of bodies of water

Examples of hydrographic in a Sentence

Recent Examples on the Web
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Early last week, NATO's Baltic Sentry mission consisted of three ships: German minesweeper FGS Datteln, Dutch frigate HNLMS Tromp and Dutch hydrographic survey vessel HNLMS Luymes. Sarah Dean, CNN, 27 Jan. 2025 The Legal Amazon is an area in nine states of Brazil that's home to the largest hydrographic basin in the world. Gordon G. Chang, Newsweek, 11 Dec. 2024

Word History

Etymology

French hydrographique, from Middle French, from hydr- + -graphique -graphic

First Known Use

1665, in the meaning defined at sense 1

Time Traveler
The first known use of hydrographic was in 1665

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Cite this Entry

“Hydrographic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrographic. Accessed 21 Mar. 2025.

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