/ ˈækwəlʌŋ; NAmE / noun
a piece of breathing equipment that a diver wears on his/her back when swimming underwater
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WORD ORIGIN
1950s (originally a proprietary name in the US): from Latin aqua water + lung .
/ ˈækwəlʌŋ; NAmE / noun
a piece of breathing equipment that a diver wears on his/her back when swimming underwater
••
WORD ORIGIN
1950s (originally a proprietary name in the US): from Latin aqua water + lung .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005