1,767 English Words Starting With OP
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Definition: 1. Any instrument that measures opacity
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Definition: 1. (geology) A small, dark grain, of doubtful origin, in an igneous rock
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Definition: 1. (uncountable) The state or quality of being opaque, not allowing light to pass through
There are 3 definitions of the word opacity
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Definition: 1. (obsolete, chiefly, poetic) Not shining or illuminated; dark. [17th]
There are 2 definitions of the word opacous
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Definition: 1. Any of various large, colourful, deep-bodied pelagic fish of the family Lamprididae.
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Definition: 1. Pristipomoides filamentosus, the crimson jobfish.
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Definition: 1. (mineral) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO<sub>2</sub>·nH<sub>2</sub>O.
There are 8 definitions of the word opal
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Definition: 1. (poetic) opalescent; misty or milky in appearance
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Definition: 1. To be opalescent; to give forth a play of colours, like the opal.
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Definition: 1. the state of being opalescent
There are 2 definitions of the word opalescence
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Definition: 1. Exhibiting a milky iridescence like that of an opal.
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