| chloride shift | When CO2 enters the blood from the tissues, it passes into the red blood cell and is converted by carbonate dehydratase to bicarbonate (HCO3-); HCO3- ion passes out into the plasma while Cl- migrates into the red blood cell. Reverse changes occur in the lungs when CO2 is eliminated from the blood. Synonym: Hamburger's phenomenon. (05 Mar 2000) |
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| chlorides | Inorganic compounds derived from hydrochloric acid that contain the cl- ion. (12 Dec 1998) |
| chloridimetry | The process of determining the amount of chlorides in the blood or urine, or in other fluids. (05 Mar 2000) |
| chloridometer | An apparatus for determining the amount of chlorides in blood or urine, or other fluids. (05 Mar 2000) |
| chloriduria | The excretion of chloride in the urine. Synonym: chloriduria, chloruria. (05 Mar 2000) |
| chlorin | 2,3-Dihydroporphin(e); 2,3-dihydroporphyrin;one of the root structures of the chlorophylls (for structure, see porphyrin). Addition of the two-carbon bridge (see structure of chlorophyll) to chlorin yields phorbin(e); addition of side chains yields the phorbides, distinguished by a number of arbitrary prefixes (those found in the chlorophylls are pheo-and bacteriopheophorbide); esterification of the propionic group by phytyl yields the respective phytins, and the addition of magnesium yields the chlorophylls (magnesium phytinates). See: porphyrins. (05 Mar 2000) |
| chlorinated | Having been treated with chlorine. (05 Mar 2000) |
| chlorinated hydrocarbon | A molecules which is almost entirely carbon and hydrogen, but has had at least one chlorine atom introduced to it that has replaced one of the hydrogen atoms. (09 Oct 1997) |
| chlorinated lime | A mixture of varying proportions of complexes of chlorine with calcium oxide and calcium hydroxide. Contains 24-37% available chlorine. Decomposes in moist conditions to liberate chlorine. Strong irritant due to chlorine vapors. Used for disinfecting drinking water, sewage etc.; in the bleaching of wood pulp, linen, cotton, straw, oils, soaps, and laundry; as an oxidiser; in destroying caterpillars; and as a decontaminant for mustard gas and similar substances. Synonym: bleaching powder. (05 Mar 2000) |
| chlorinated paraffin | A solvent for dichloramine-T. (05 Mar 2000) |
| chlorination | A highly effective procedure for treating drinking water by using chlorine gas or other chlorine containing compounds as disinfectants. (09 Oct 1997) |
| chlorindanol | 7-Chloro-4-indanol;a spermicide. (05 Mar 2000) |
| chlorine | <chemical> Chlorine. A greenish-yellow, diatomic gas that is a member of the halogen family of elements. It has the atomic symbol cl, atomic number 17, and atomic weight 70.906. It is a powerful irritant that can cause fatal pulmonary oedema. Chlorine is used in manufacturing, as a reagent in synthetic chemistry, for water purification, and in the production of chlorinated lime, which is used in fabric bleaching. Chemical name: Chlorine (12 Dec 1998) |
| chlorine acne | An occupational acne-like eruption due to prolonged contact with certain chlorinated compounds (naphthalenes and diphenyls); keratinous plugs (comedones) form in the pilosebaceous orifices, and variously sized small papules (2 to 4 mm) develop. Synonym: chlorine acne, tar acne. (05 Mar 2000) |
| chlorine compounds | Inorganic compounds that contain chlorine as an integral part of the molecule. (12 Dec 1998) |