| Raney catalyst | Proprietary name for a finely powdered nickel catalyst made from Raney alloy by dissolving out the aluminum with alkali; used in the hydrogenation of organic substances. Synonym: Raney catalyst. (05 Mar 2000) |
|---|---|
| catalyst | <chemistry> A substance that accelerates a chemical reaction, but is not consumed or changed in the process. (16 Mar 1998) |
| organic catalyst | A catalyst that is an organic molecule. See: enzyme, ribozyme. (05 Mar 2000) |
| curing | 1.Removing all traces of a disease from the body so that the body is perfectly healthy again. 2. A process of improving the flavour, colour, tenderness, and shelf life of a meat, such as by using smoke, spices, and chemicals. 3. Making a finished product out of a raw material by using heat or chemicals, such as tanned leather or vulcanised rubber. 4. Causing the loss of a plasmid from a bacterial culture or the loss of a dormant virus which has inserted itself into the bacterial genome (a lysogenised virus). (09 Oct 1997) |
| curing light | <dentistry> A special UV light used to help attach brackets to your teeth (08 Jan 1998) |
| heat-curing resin | Resin that requires heat to initiate polymerization. (05 Mar 2000) |
| self-curing resin | Autopolymerizing resin, any resin that can be polymerised by chemical catalysis rather than by the application of heat; used in dentistry for dental restoration, denture repair, and impression trays. Synonym: activated resin, cold cure resin, cold-curing resin, quick cure resin, self-curing resin. (05 Mar 2000) |
| dental curing | <dentistry> The process by which plastic materials become rigid to form a denture base, filling, impression tray, or other appliance. (05 Mar 2000) |