| spiroplasmataceae | A family of bacteria consisting of helical cells that require sterols for growth. (12 Dec 1998) |
|---|---|
| spiroscope | <instrument, physiology> A wet meter used to determine the breathing capacity of the lungs. Origin: L. Spirare to breathe + -scope. Source: Websters Dictionary (01 Mar 1998) |
| spirostan | A 16,22:22,26-diepoxycholestane. (05 Mar 2000) |
| spirostans | Steroid derivatives containing a fused lactone ring at the 16,17-position and a spiroglycosidic linkage at c-22. The most common representatives in this group are the plant-derived sapogenins. (12 Dec 1998) |
| spiroylous | <chemistry> Pertaining to, or designating, a substance now called salicylal. Origin: NL. Spir meadowsweet (a source of salicylal) + -yl + -ic, -ous. Source: Websters Dictionary (01 Mar 1998) |