Precious-opal
noun
1.
any opal having a play of colors, used as a gemstone.
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- Precious-stone
noun 1. a gem distinguished for its beauty and rarity, used in jewelry. precious stone noun 1. any of certain rare minerals, such as diamond, ruby, sapphire, emerald, or opal, that are highly valued as gemstones
- Precip
noun shortened form of precipitation Usage Note informal
- Precipice
noun 1. a cliff with a vertical, nearly vertical, or overhanging face. 2. a situation of great peril: on the precipice of war. noun 1. the steep sheer face of a cliff or crag the cliff or crag itself 2. a precarious situation
- Precipitable
[pri-sip-i-tuh-buh l] /prɪˈsɪp ɪ tə bəl/ adjective, Chemistry. 1. capable of being precipitated. precipitable pre·cip·i·ta·ble (prĭ-sĭp’ĭ-tə-bəl) adj. Capable of being precipitated.
- Precipitable-water
noun 1. the total water vapor contained in a unit vertical column of the atmosphere.