| pH-stat | A device for continuously sensing the pH of a solution and automatically adding acid or alkali as necessary to keep the pH constant; used to follow the time course of reactions that liberate an acid or alkali. (05 Mar 2000) |
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| water can | <botany> Any one of several species of Nuphar; the yellow frog lily; so called from the shape of the seed vessel. See Nuphar, and cf. Candock. Source: Websters Dictionary (01 Mar 1998) |
| watering-can scrotum | Urinary fistulas in scrotum and perineum, resulting from disease of the perineal urethra. (05 Mar 2000) |
| STAT | A common medical abbreviation which is used to imply urgent or rush. It is derived from a latin word statim which means immediately. (12 Dec 1998) |