aquanaut
1. an underwater swimmer equipped with a face mask and foot fins and either a snorkel or an air cylinder • Syn: skin-diver • Derivationally related forms: skin-dive (for: skin-diver) • Hypernyms: swimmer, natator, bather 2. a skilled worker who can live in underwater installations and participate in scientific research • Syn: oceanaut • Hypernyms: skilled worker, trained worker, skilled workman
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