halometer

halometer
An instrument used to measure the diffraction halo of a red blood cell; based on the premise that the halo of the large erythrocyte of pernicious anemia is smaller than that of the normal cell; the hazy colorless halo of normal size is characteristic of secondary anemia.

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ha·lom·e·ter ha-'läm-ət-ər n an instrument for measuring the average diameter of red blood cells by means of the halos produced around them by diffraction

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ha·lom·e·ter (hə-lomґə-tər) [halo + -meter] 1. an instrument for measuring ocular halos; see halo (def. 1). 2. an instrument for estimating the size of erythrocytes by measuring the halos formed around them when a beam of light shines on them and is diffracted.

Medical dictionary. 2011.

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  • Halometer — Ha*lom e*ter (h[.a]*l[o^]m [ e]*t[ e]r), n. [Gr. a ls, alo s, salt + meter.] An instrument for measuring the forms and angles of salts and crystals; a goniometer. [1913 Webster] …   The Collaborative International Dictionary of English

  • Halometer — Halometer, so v.w. Hallymeter …   Pierer's Universal-Lexikon

  • Halomēter — Halomēter, Aräometer zur Ermittelung des Salzgehalts der Solen …   Meyers Großes Konversations-Lexikon

  • Halometer — Halomēter (grch.), Aräometer zur Ermittlung des Salzgehalts einer Salzsole …   Kleines Konversations-Lexikon

  • halometer — druskomatis statusas T sritis Standartizacija ir metrologija apibrėžtis Druskos koncentracijos vandens garuose arba vandeniniame tirpale matuoklis. atitikmenys: angl. halometer vok. Salinometer, n; Salzmesser, m rus. ареометр для определения… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • halometer — haˈläməd.ə(r) noun Etymology: International Scientific Vocabulary hal + meter : an instrument for measuring the forms of crystals of salts * * * halometer (hæˈlɒmɪtə(r)) [f. as prec. + meter.] An instrument for measuring the external fo …   Useful english dictionary

  • Halometer — Ha|lo|me|ter, das; s, : Messgerät zur Bestimmung der Konzentration von Salzlösungen …   Universal-Lexikon

  • Halometer — Ha|lo|me|ter 〈n.; Gen.: s, Pl.: 〉 Messgerät zur Bestimmung der Salzkonzentration von Lösungen [Etym.: <grch. hals, Gen. halos »Salz« + …meter] …   Lexikalische Deutsches Wörterbuch

  • Halometer — Ha|lo|me|ter das; s, <zu 1↑...meter> Messgerät zur Bestimmung der Konzentration von Salzlösungen …   Das große Fremdwörterbuch

  • halometer — ha·lom·e·ter …   English syllables

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