| isoantibody | <immunology> Antibody produced by one individual in response to antigen from another individual of the same species. The antibody reacts with antigens (isoantigens) of another individual of the same species. (20 Jun 2000) |
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| isoantigen | <immunology> An antigen which can cause an immune response in genetically distinct individuals from the same species. They exist in alternative (allelic) forms in a species, and thus induce an immune response when one form is transferred (for example by blood transfusion or tissue graft) to members of the same species who lack the antigen. Typical isoantigens are the blood group antigens. See: isoantibody. (20 Jun 2000) |
| isobar | <physics> The quality or state of being equal in weight, especially in atmospheric pressure. Also, the theory, method, or application of isobaric science. <meteorology> A line connecting or marking places upon the surface of the earth where height of the barometer reduced to sea level is the same either at a given time, or for a certain period (mean height), as for a year; an isopiestic line. Alternative forms: isobare. Origin: Iso- + Gr. Weight. Source: Websters Dictionary (01 Mar 1998) |
| isobaric | <physics> Constant pressure. (04 Mar 1998) |
| isobaric spinal anaesthesia | Spinal anaesthesia of same density as cerobrospinal fluid so that the level of anaesthesia is not influenced by a change in the position of the patient. (05 Mar 2000) |
| isobarometric | <physics> Indicating equal barometric pressure. (01 Mar 1998) |
| isobars | <chemistry, radiobiology> Nuclides having the same mass number but different atomic numbers. (16 Dec 1997) |
| isobathytherm | <physics> A line connecting the points on the surface of the earth where a certain temperature is found at the same depth. Origin: Iso- + Gr. Deep + heat. Source: Websters Dictionary (01 Mar 1998) |
| isobestic | Erroneous spelling of isosbestic. (05 Mar 2000) |
| isobornyl thiocyanoacetate | C13H19NO2S;a pediculicide. (05 Mar 2000) |
| isobutane | See: butane. (05 Mar 2000) |
| isobuteine | S-(2-Carboxypropyl)cysteine;a sulfur-containing compound in urine. (05 Mar 2000) |
| isobutyl alcohol | See: butyl alcohol. (05 Mar 2000) |
| isobutyl nitrite | A liquid present in commercial amyl nitrite, with similar antispasmodic and vasodilator properties. (05 Mar 2000) |
| isobutyric acid | See: butyric acid. (05 Mar 2000) |