| incident pain | <symptom> A type of breakthrough pain that is related to specific activity, such as eating, defecation, socialising or walking. Also referred to as incident pain. (16 Dec 1997) |
|---|---|
| incident point | The point at which a light ray enters an optical system. (05 Mar 2000) |
| incident ray | The ray that strikes the surface before reflection. (05 Mar 2000) |
| incidental | 1. Small and relatively unimportant, minor. 2. Accompanying, but not a major part of something. 3. (to something) liable to occur because of something or in connection with something (said of risks, responsibilities) (18 Nov 1997) |
| incidental colour | An obsolete term for a colour impression that remains after removal of the source. See: afterimage. (05 Mar 2000) |
| incidental learning | Learning without a direct attempt. Synonym: passive learning. (05 Mar 2000) |
| incidental parasite | A parasite that normally lives on a host other than its present host. (05 Mar 2000) |
| incidentaloma | <tumour> Mass lesion, usually of the adrenal gland, serendipitously noted during computerised tomographic examinations performed for other reasons. Origin: incidental + -oma, tumour (05 Mar 2000) |
| incineration | High temperature destruction of waste by burning with subsequent reduction to ashes or conversion to an inert mass. (12 Dec 1998) |
| incinerator | Any device used to burn solid or liquid residues or wastes as a method of disposal. In some incinerators, provisions are made for recovering the heat produced. (05 Dec 1998) |
| incipient abortion | An impending abortion characterised by copious vaginal bleeding, uterine contractions, and cervical dilation. Synonym: imminent abortion. (05 Mar 2000) |
| incipient caries | Beginning caries or decay. (05 Mar 2000) |
| incisal | <dentistry> The biting edge of your central and lateral teeth. (08 Jan 1998) |
| incisal edge | The part of an anterior tooth farthest from the apex of the root. Synonym: margo incisalis, cutting edge, incisal margin, incisal surface, shearing edge. (05 Mar 2000) |
| incisal embrasure | A space existing on the incisal aspect of the interproximal contact area between adjacent anterior teeth. (05 Mar 2000) |