| 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) |
| EKG trigger | eCG trigger |
| trigger | 1. A catch to hold the wheel of a carriage on a declivity. 2., the part of a lock which is moved by the finger to release the cock and discharge the piece. <zoology> Trigger fish, a large plectognath fish (Balistes Carolinensis or B. Capriscus) common on the southern coast of the United States, and valued as a food fish in some localities. Its rough skin is used for scouring and polishing in the place of sandpaper. Synonym: leather jacket, and turbot. Origin: For older tricker, from D. Trekker, fr. Trekken to draw, pull. See Trick. Source: Websters Dictionary (01 Mar 1998) |
| trigger area | A specific point or area where, if stimulated by touch, pain, or pressure, a painful response will be induced. Synonym: dolorogenic zone, trigger area, trigger zone. (05 Mar 2000) |
| trigger finger | An affection in which the movement of the finger is arrested for a moment in flexion or extension and then continues with a jerk. Synonym: jerk finger, lock finger, snap finger, spring finger, stuck finger. (05 Mar 2000) |
| trigger point | A specific point or area where, if stimulated by touch, pain, or pressure, a painful response will be induced. Synonym: dolorogenic zone, trigger area, trigger zone. (05 Mar 2000) |
| trigger protein | <protein> See U protein. (18 Nov 1997) |
| trigger zone | Dolorogenic zone (= producing or causing pain). (18 Nov 1997) |