Phoropter
phoropter pho·rop·ter (fə-rŏp’tər)
n.
A device containing different lenses used for refraction of the eye during sight testing.
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- Phos-
phos- pref. Light: phosgene.
- Phosgene
[fos-jeen, foz-] /ˈfɒs dʒin, ˈfɒz-/ noun, Chemistry. 1. a poisonous, colorless, very volatile liquid or suffocating gas, COCl 2 , a chemical-warfare compound: used chiefly in organic synthesis. /ˈfɒzdʒiːn/ noun 1. a colourless easily liquefied poisonous gas, carbonyl chloride, with an odour resembling that of new-mown hay: used in chemical warfare as a lethal choking […]
- Phosgenite
[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)
- Phosph-
1. variant of before a vowel: phosphate. phosph- pref. Variant of phospho-.
- Phosphagen
[fos-fuh-juh n, -jen] /ˈfɒs fə dʒən, -ˌdʒɛn/ noun, Biochemistry. 1. a high-energy phosphoric ester that serves as a reservoir of phosphate-bond energy, as phosphocreatine in vertebrates and phosphoarginine in invertebrates.