| aroma | (noun) any property detected by the olfactory system | Synonyms: odor, odour, olfactory property, scent, smell |
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| (noun) a distinctive odor that is pleasant | Synonyms: fragrance, perfume, scent |
| aromatherapy | (noun) the therapeutic use of aromatic plant extracts and essential oils in baths or massage | - |
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| aromaticity | (noun) The property of having an aroma. | - |
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| barometer | (noun) an instrument that measures atmospheric pressure | - |
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| carom | (noun) a shot in billiards in which the cue ball contacts one object ball and then the other | Synonyms: cannon |
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| (noun) a glancing rebound | Synonyms: ricochet |
| katharometer | (noun) measures thermal conductivity | - |
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