| DER | disulfiram-ethanol reaction; dual energy radiography |
|---|---|
| DeR | degeneration reaction |
| der | derivative chromosome |
| VdB | van der Bergh [test] |
| VDWS | van der Woude syndrome |
| MPR | Multiplanar reformation |
|---|---|
| DER | Defibrillation energy requirements |
| Der p | Dermataphagoides pteronyssinus |
| DER | Drosophila EGF Receptor |
| VWS | Van der Woude syndrome |
deradenitis
| reformation | 1. The act of reforming, or the state of being reformed; change from worse to better; correction or amendment of life, manners, or of anything vicious or corrupt; as, the reformation of manners; reformation of the age; reformation of abuses. "Satire lashes vice into reformation." (Dryden) 2. Specifically, the important religious movement commenced by Luther early in the sixteenth century, which resulted in the formation of the various Protestant churches. Synonym: Reform, amendment, correction, rectification. Reformation, Reform. Reformation is a more thorough and comprehensive change than reform. It is applied to subjects that are more important, and results in changes which are more lasting. A reformation involves, and is followed by, many particular reforms. "The pagan converts mention this great reformation of those who had been the greatest sinners, with that sudden and surprising change which the Christian religion made in the lives of the most profligate." . "A variety of schemes, founded in visionary and impracticable ideas of reform, were suddenly produced." . Origin: F. Reformation, L. Reformatio. Source: Websters Dictionary (01 Mar 1998) |
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| van der Hoeve's syndrome | <syndrome> A subtype of osteogenesis imperfecta in which progressive conductive hearing loss begins in childhood because of stapedial fixation. (05 Mar 2000) |
| van der Kolk, Jacobus | <person> Dutch physician, 1797-1862. See: van der Kolk's law. (05 Mar 2000) |
| van der Kolk's law | In a mixed nerve, the sensory fibres are distributed to the parts moved by the muscles controlled by the motor fibres. (05 Mar 2000) |
| van der Velden, Reinhardt | <person> German physician, 1851-1903. See: van der Velden's test. (05 Mar 2000) |
| van der Velden's test | A test for free hydrochloric acid, the presence of which turns an added solution of methylene blue from violet to green. (05 Mar 2000) |
| van der Waals attraction | <chemistry> Electrodynamic forces arise between atoms, molecules and assemblies of molecules due to their vibrations giving rise to electromagnetic interactions, these are attractive when the vibrational frequencies and absorptions are identical or similar, repulsive when nonidentical. Other interactions originally proposed by van der Waals were included in this name, but these are usually separated into the Coulomb's force, the Keesom force and the London force. Only the last is of electrodynamic nature. Probably important in holding lipid membranes into that structure and possibly in other interactions, for example cell adhesion. Electrodynamic forces between large scale assemblies can be of relatively long range nature. (18 Nov 1997) |
| van der Waals' forces | First postulated by van der Waals in 1873 to explain deviations from ideal gas behaviour seen in real gases; the attractive force's between atoms or molecules other than electrostatic (ionic), covalent (sharing of electrons), or hydrogen bonding (sharing a proton); generally ascribed to dipolar and dispersion effects, π-electrons, etc.; these relatively nondescript force's contribute to the mutual attraction of organic molecules. Synonym: London forces. (05 Mar 2000) |
| van der Waals, Johannes | <person> Dutch physicist and Nobel laureate, 1837-1923. See: van der Waals' forces. (05 Mar 2000) |
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