| Brownian motion | <chemistry, physics> Random motion of small objects as a result of intermolecular collisions. First described by the 19th Century microscopist, Brown. (18 Nov 1997) |
|---|---|
| brownian movement | Erratic, nondirectional, zigzag movement observed by ultramicroscope in certain colloidal solutions and by microscope in suspensions of light particulate matter that results from the jostling or bumping of the larger particles by the molecules in the suspending medium which are regarded as being in continuous motion. Synonym: brownian motion, brownian-Zsigmondy movement, molecular movement, pedesis. (05 Mar 2000) |
| brownian-Zsigmondy movement | Erratic, nondirectional, zigzag movement observed by ultramicroscope in certain colloidal solutions and by microscope in suspensions of light particulate matter that results from the jostling or bumping of the larger particles by the molecules in the suspending medium which are regarded as being in continuous motion. Synonym: brownian motion, brownian-Zsigmondy movement, molecular movement, pedesis. (05 Mar 2000) |
| Browning's vein | <anatomy, vein> An inconstant vein that passes from the superficial middle cerebral vein posteriorly over the lateral aspect of the temporal lobe to enter the transverse sinus. Synonym: vena anastomotica inferior, Browning's vein, Labbe's vein. (05 Mar 2000) |
| Browning, William | <person> U.S. Anatomist and neurologist, 1855-1941. See: Browning's vein. (05 Mar 2000) |
| brownism | <medicine> The doctrines of the Brunonian system of medicine. See Brunonian. Source: Websters Dictionary (01 Mar 1998) |
| brownist | <medicine> One who advocates the Brunonian system of medicine. Source: Websters Dictionary (01 Mar 1998) |
| brownwort | <botany> A species of figwort or Scrophularia (S. Vernalis), and other species of the same genus, mostly perennials with inconspicuous coarse flowers. Source: Websters Dictionary (01 Mar 1998) |
| browse | The tender branches or twigs of trees and shrubs, fit for the food of cattle and other animals; green food. "Sheep, goats, and oxen, and the nobler steed, On browse, and corn, and flowery meadows feed." (Dryden) Origin: OF. Brost, broust, sprout, shoot, F. Brout browse, browsewood, prob. Fr. OHG. Burst, G. Borste, bristle; cf. Also Armor. Brousta to browse. See Bristle, Brush. 1. To eat or nibble off, as the tender branches of trees, shrubs, etc.; said of cattle, sheep, deer, and some other animals. "Yes, like the stag, when snow the plasture sheets, The barks of trees thou browsedst." (Shak) 2. To feed on, as pasture; to pasture on; to graze. "Fields . . . Browsed by deep-uddered kine." (Tennyson) Origin: For broust, OF. Brouster, bruster, F. Brouter. See Browse, and cf. Brut. 1. To feed on the tender branches or shoots of shrubs or trees, as do cattle, sheep, and deer. 2. To pasture; to feed; to nibble. Source: Websters Dictionary (01 Mar 1998) |
| browse protection | <ecology> Mechanical or chemical protection of shrubs and trees against damage caused by game and grasing animals. (09 Oct 1997) |
| browsed | <botany> Any tree with several centimetres of one or more limb tips, including but not restricted to, the tallest limb, bitten off by deer or other wildlife. (09 Oct 1997) |
| browsewood | Srubs and bushes upon which animals browse. Source: Websters Dictionary (01 Mar 1998) |
| browspot | <zoology> A rounded organ between the eyes of the frog; the interocular gland. Source: Websters Dictionary (01 Mar 1998) |