| polychrest | <medicine> A medicine that serves for many uses, or that cures many diseases. <medicine> Polychrest salt, potassium sulphate, specifically obtained by fusing niter with sulphur. Origin: Gr. Useful for many purposes; many + useful, fr. To use: cf. F. Polychreste. Source: Websters Dictionary (01 Mar 1998) |
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| polychroite | <chemistry> The colouring matter of saffron; formerly so called because of the change of colour on treatment with certain acids. Synonym: crocin, and safranin. Origin: Poly- + Gr. Colour: cf. F. Polychroite. Source: Websters Dictionary (01 Mar 1998) |
| polychromaemia | An increase in the total amount of haemoglobin in the blood. (05 Mar 2000) |
| polychromasia | 1. A tendency of certain cells, such as the red blood cells in pernicious anaemia, to stain with basic and also acid dyes. 2. Condition characterised by the presence of many red blood cells that have an affinity for acid, basic, or neutral stains. Synonym: polychromasia, polychromatosis, polychromophilia. (05 Mar 2000) |
| polychromate | <chemistry> A salt of a polychromic acid. See: Polychromic. <chemistry> A compound which exhibits, or from which may be prepared, a variety of colours, as certain solutions derived from vegetables, which display colours by fluorescence. See: Polychromatic. Source: Websters Dictionary (01 Mar 1998) |
| polychromatic | Showing a variety, or a change, of colours. <chemistry> Polychromatic acid, a substance obtained by the action of nitric acid on aloes. Origin: Poly- + chromatic. Source: Websters Dictionary (01 Mar 1998) |
| polychromatic cell | A primitive erythrocyte in bone marrow, with basophilic material as well as haemoglobin (acidophilic) in the cytoplasm. Synonym: polychromatophil cell. (05 Mar 2000) |
| polychromatocyte | polychromatophil |
| polychromatophil cell | A primitive erythrocyte in bone marrow, with basophilic material as well as haemoglobin (acidophilic) in the cytoplasm. Synonym: polychromatophil cell. (05 Mar 2000) |
| polychromatophile | 1. Staining readily with acid, neutral, and basic dyes; denoting certain cells, especially certain red blood cells. Synonym: polychromatophilic. 2. A young or degenerating erythrocyte that manifests acid and basic staining affinities. Synonym: polychromatocyte. Synonym: polychromophil. Origin: poly-+ G. Chroma, colour, + phileo, to love (05 Mar 2000) |
| polychromatophilia | 1. A tendency of certain cells, such as the red blood cells in pernicious anaemia, to stain with basic and also acid dyes. 2. Condition characterised by the presence of many red blood cells that have an affinity for acid, basic, or neutral stains. Synonym: polychromasia, polychromatosis, polychromophilia. (05 Mar 2000) |
| polychromatophilic | polychromatophil |
| polychromatosis | 1. A tendency of certain cells, such as the red blood cells in pernicious anaemia, to stain with basic and also acid dyes. 2. Condition characterised by the presence of many red blood cells that have an affinity for acid, basic, or neutral stains. Synonym: polychromasia, polychromatosis, polychromophilia. (05 Mar 2000) |
| polychrome | <chemistry> Esculin; so called in allusion to its fluorescent solutions. Origin: Poly- + Gr. Colour. Source: Websters Dictionary (01 Mar 1998) |
| polychrome methylene blue | An alkaline solution of methylene blue which undergoes progressive oxidative demethylation with aging (ripening) to produce a mixture of methylene blue, azures, and methylene violet; boiling with sodium carbonate or other oxidizing agents accomplishes this result quickly, although it is not as highly regarded. (05 Mar 2000) |