| altimeter | (noun) an instrument that measures the height above ground; used in navigation | - |
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| altitude | (noun) elevation especially above sea level or above the earth's surface | Synonyms: height |
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| (noun) angular distance above the horizon (especially of a celestial object) | Synonyms: ALT, EL, elevation |
| (noun) the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel) | - |
| cobaltite | (noun) a rare silvery-white mineral; important ore of cobalt | - |
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| mealtime | (noun) the hour at which a meal is habitually or customarily eaten | - |
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| saltine | (noun) a cracker sprinkled with salt before baking | - |
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| saltiness | (noun) the property of containing salt (as a compound or in solution) | - |
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| (noun) the taste experience when common salt is taken into the mouth | Synonyms: salinity, salt |
| (noun) language or humor that is down-to-earth | Synonyms: coarseness |
| salting | (noun) the act of adding salt to food | - |
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| saltire | (noun) a cross resembling the letter x, with diagonal bars of equal length | Synonyms: St. Andrew's cross |
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| smaltite | (noun) a grey mineral consisting of cobalt arsenide and nickel; an important source of cobalt and nickel | - |
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