hydronautics

noun plural but singular in construction

hy·​dro·​nau·​tics

(ˈ)hīdrə¦nȯtiks

: the science of constructing and operating marine craft and instruments designed to explore the ocean environment

Word History

Etymology

hydr- + -nautics (as in aeronautics)

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Rhymes for hydronautics

• aeronautics
• astronautics
• probiotics
• semiotics
• antibiotics
• antipsychotics
• epizootics
• xenobiotics
• aquatics
• exotics
• hypnotics
• narcotics