This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of or pertaining to hydrography

adj. Of or relating to hydrography.

Of, pertaining to, or treating of hydrography: as, a hydrographic survey or treatise.

adj. of or relating to the science of hydrography

"Real carbon fiber is too expensive, so they used a so-called hydrographic finish that mimics the three-dimensional checkerboard look of carbon fiber."

hydrographical   

hydrographic office   

calligraphic    choreographic    demographic    epigraphic    ethnographic    geographic    graphic    holographic    lithographic    logographic   

hydrological    conditions    000-scale    epidemiological    geodetic    topographic    geologic    mission-essential    day-care    mid-sixth-century