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phoropter pho·rop·ter (fə-rŏp’tər)
A device containing different lenses used for refraction of the eye during sight testing.


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    [fos-juh-nahyt, foz-] /ˈfɒs dʒəˌnaɪt, ˈfɒz-/ noun 1. a mineral, lead chlorocarbonate, Pb 2 Cl 2 CO 3 , occurring in crystals. /ˈfɒzdʒɪˌnaɪt/ noun 1. a rare fluorescent secondary mineral consisting of lead chloro-carbonate in the form of greyish tetragonal crystals. Formula: Pb2(Cl2CO3)

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    1. variant of before a vowel: phosphate. phosph- pref. Variant of phospho-.

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