[fos-feen] /ˈfɒs fin/

noun, Physiology.
a luminous image produced by mechanical stimulation of the retina, as by pressure applied to the eyeball by the finger when the lid is closed.
the sensation of light caused by pressure on the eyelid of a closed eye or by other mechanical or electrical interference with the visual system

phosphene phos·phene (fŏs’fēn’)
A sensation of light caused by excitation of the retina by mechanical or electrical means rather than by light, as when the eyeballs are pressed through closed lids.


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    [fos-fahyd, -fid] /ˈfɒs faɪd, -fɪd/ noun, Chemistry. 1. a binary compound of phosphorus with a basic element or group. /ˈfɒsfaɪd/ noun 1. any compound of phosphorus with another element, esp a more electropositive element phosphide phos·phide (fŏs’fīd’) or phos·phid (-fĭd) n. A compound of phosphorus and a more electropositive element or radical.

  • Phosphine

    [fos-feen, -fin] /ˈfɒs fin, -fɪn/ noun, Chemistry. 1. a colorless, poisonous, ill-smelling, flammable gas, PH 3 . 2. any of certain organic derivatives of this compound. /ˈfɒsfiːn/ noun 1. a colourless flammable gas that is slightly soluble in water and has a strong fishy odour: used as a pesticide. Formula: PH3

  • Phosphite

    [fos-fahyt] /ˈfɒs faɪt/ noun, Chemistry. 1. (loosely) a salt of phosphorous acid. /ˈfɒsfaɪt/ noun 1. any salt or ester of phosphorous acid phosphite phos·phite (fŏs’fīt’) n. A salt or ester of phosphorous acid.

  • Phospho-

    1. a combining form representing phosphorus, in compound words: phosphoprotein. combining form 1. containing phosphorus: phosphocreatine phospho- or phosph- pref.

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