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Phoro-

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• Phoronid

  [fuh-roh-nid] /fəˈroʊ nɪd/ noun 1. any member of the invertebrate phylum Phoronida, wormlike marine animals living in a chitinous tube and having an anterior structure bearing ciliated tentacles for feeding. adjective 2. belonging or pertaining to the phoronids. phoronid (fə-rō’nĭd) Any of various small, mostly solitary, wormlike marine invertebrates of the phylum Phoronida. As adults, […]

• Phoro-optometer

  phoro-optometer pho·ro-op·tom·e·ter (fôr’ō-ŏp-tŏm’ĭ-tər) n. An instrument for determining phorias, ductions, and refractive states of the eyes.

• Phoropter

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

• 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 […]

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