| delta | (noun) the 4th letter of the Greek alphabet | - |
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| (noun) a low triangular area of alluvial deposits where a river divides before entering a larger body of water | - |
| (noun) an object shaped like an equilateral triangle | - |
| meltability | (noun) Capability of being reduced from a solid to a liquid state usually by heat. | - |
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| meltable | (adjective) capable of melting | Synonyms: disintegrable |
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| peltate | (adjective) (of a leaf shape) round, with the stem attached near the center of the lower surface rather than the margin (as a nasturtium leaf for example) | Synonyms: shield-shaped |
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