| denivelation | (noun) the difference in level (depth) between two parts of a cave system, usually the highest and lowest known point. | - |
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| revelation | (noun) an enlightening or astonishing disclosure | - |
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| (noun) communication of knowledge to man by a divine or supernatural agency | Synonyms: divine revelation |
| (noun) the speech act of making something evident | Synonyms: disclosure, revealing |
| velar | (noun) a consonant produced with the back of the tongue touching or near the soft palate | Synonyms: velar consonant |
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