| hard water |
Water with a high concentration of the Ca 2+ , Mg 2+ , and/or Fe 3+ ions.
출처: xenon.che.ilstu.edu/genchemhelphomepage/glossary/h...
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|---|---|
| hardness |
the ability of a mineral to withstand scratching
출처: www.msnucleus.org/membership/html/k-6/rc/dictionar...
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| hardness |
The inferior hardness of CZ (8.5 vs. 10 of diamond) manifests itself in the gem's lower luster, rounded facet edges and surface scratches.
출처: www.nationmaster.com/encyclopedia/Cubic-zirconia
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| harness |
To take control of.
출처: collections.ic.gc.ca/ghost/glossary.html
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| hardness |
Property of a mineral's resistance to being scratched.
출처: www.mdk12.org/instruction/curriculum/science/gloss...
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