| acantholysis | (noun) a breakdown of a cell layer in the epidermis (as in pemphigus) | - |
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| ampholyte | (noun) A substance that acts as a base or an acid, depending on the pH of the solution into which it is introduced. | Synonyms: amphoteric electrolyte |
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| holy | (noun) a sacred place of pilgrimage | Synonyms: holy place, sanctum |
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| holystone | (noun) a soft sandstone used for scrubbing the decks of a ship | - |
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| melancholy | (noun) a humor that was once believed to be secreted by the kidneys or spleen and to cause sadness and melancholy | Synonyms: black bile |
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| (noun) a feeling of thoughtful sadness | - |
| (noun) a constitutional tendency to be gloomy and depressed | - |
| onycholysis | (noun) separation of a nail from its normal attachment to the nail bed | - |
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