| STRONGBOX | • strongbox n. A sturdy box with a lock for storing valuables. • STRONGBOX n. a box for holding valuables.
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| GROUNDPROX | • groundprox n. (Aviation, rare) A ground proximity warning system. • GROUNDPROX n. an altitude warning system in aircraft.
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| OXYGENATOR | • oxygenator n. Any device that releases oxygen (or air) into water, especially one in an aquarium. • OXYGENATOR n. an oxidizer.
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| FOXTROTTING | • foxtrotting v. Present participle of foxtrot. • FOXTROT v. to dance in a particular way with a partner.
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| OXYGENATORS | • oxygenators n. Plural of oxygenator. • OXYGENATOR n. an oxidizer.
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| OXYHYDROGEN | • oxyhydrogen adj. Of, or using a mixture of, hydrogen and oxygen. • oxyhydrogen n. (Chemistry) A potentially explosive mixture of hydrogen and oxygen.
 • oxy-hydrogen n. Alternative spelling of oxyhydrogen.
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| STRONGBOXES | • strongboxes n. Plural of strongbox. • STRONGBOX n. a box for holding valuables.
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| GROUNDPROXES | • GROUNDPROX n. an altitude warning system in aircraft. | 
| OVEREXPOSING | • overexposing v. Present participle of overexpose. • OVEREXPOSE v. to expose excessively.
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| OXYHYDROGENS | • OXYHYDROGEN n. a mixture of hydrogen and oxygen used to provide an intense flame for welding. | 
| REOXYGENATION | • reoxygenation n. Oxygenation subsequent to deoxygenation. | 
| OVEREXPLOITING | • overexploiting v. Present participle of overexploit. • OVEREXPLOIT v. to exploit to excess.
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| REOXYGENATIONS | • reoxygenations n. Plural of reoxygenation. | 
| ENTEROTOXIGENIC | • enterotoxigenic adj. (Biology) That produces enterotoxins. |