What's the difference between brush and underbrush?

Brush


Definition:

  • (n.) An instrument composed of bristles, or other like material, set in a suitable back or handle, as of wood, bone, or ivory, and used for various purposes, as in removing dust from clothes, laying on colors, etc. Brushes have different shapes and names according to their use; as, clothes brush, paint brush, tooth brush, etc.
  • (n.) The bushy tail of a fox.
  • (n.) A tuft of hair on the mandibles.
  • (n.) Branches of trees lopped off; brushwood.
  • (n.) A thicket of shrubs or small trees; the shrubs and small trees in a wood; underbrush.
  • (n.) A bundle of flexible wires or thin plates of metal, used to conduct an electrical current to or from the commutator of a dynamo, electric motor, or similar apparatus.
  • (n.) The act of brushing; as, to give one's clothes a brush; a rubbing or grazing with a quick motion; a light touch; as, we got a brush from the wheel as it passed.
  • (n.) A skirmish; a slight encounter; a shock or collision; as, to have a brush with an enemy.
  • (n.) A short contest, or trial, of speed.
  • (n.) To apply a brush to, according to its particular use; to rub, smooth, clean, paint, etc., with a brush.
  • (n.) To touch in passing, or to pass lightly over, as with a brush.
  • (n.) To remove or gather by brushing, or by an act like that of brushing, or by passing lightly over, as wind; -- commonly with off.
  • (v. i.) To move nimbly in haste; to move so lightly as scarcely to be perceived; as, to brush by.

Example Sentences:

  • (1) There was appreciable variation in toothbrush wear among subjects, some reducing their brush to a poor state in 2 weeks whereas with others the brush was rated as "good" after 10 weeks.
  • (2) These results indicate that both the renal brush-border and basolateral membranes possess the Na(+)-dependent dicarboxylate transport system with very similar properties but with different substrate affinity and transport capacity.
  • (3) The relationship between technique of obtaining Papanicolaou smears, presence of endocervical cells, and rate of cervical neoplasia was studied by comparing an endocervical and ectocervical nylon brush (Bayne brush), Ayre spatula plus endocervical brush, and spatula plus cotton-tipped swab in a randomized, prospective trial involving 11,061 patients.
  • (4) The teeth of 13 dental nurse students were brushed by a dental hygienist.
  • (5) All inhibitors had no effect on L-Ala uptake into brush-border membrane vesicles in presence of Na+ gradient.
  • (6) At 4 degrees C or after fixation, anti-renal tubular brush border vesicle (BBV) IgG bound diffusely to the surface of GEC and to coated pits.
  • (7) These results show that tunicamycin, an inhibitor of glycosylation, significantly affected the expression of brush border membrane glycoproteins, suggesting that both polypeptide synthesis and degradation of these proteins may be altered in the presence of this drug.
  • (8) From these results it is suggested that the lipid peroxidation of the brush-border membranes by addition of dithiothreitol plus Fe2+ is sensitively changed with change in ionic strength.
  • (9) Attach self-adhesive foam strips, or metal strips with brushes or wipers attached, to window, door and loft-hatch frames (if you have sash windows, it's better to ask a professional to do it).
  • (10) Vladimir Putin brushed off complaints of election fixing during his annual televised live chat with the nation on Thursday , but behind the scenes his lieutenants are anxiously plotting how to quell rising discontent.
  • (11) A model system of exfoliated normal human cervicovaginal squamous cells, exfoliated rodent tumor cells, and acellular, viscous, mucuslike material was used to investigate cell deposition on smear preparations made with three different instruments: plastic spatulas, wooden spatulas, and brush-tipped collectors.
  • (12) The aim of this study was to identify and purify the Na+-H+ exchanger from rabbit renal brush border membranes by use of affinity chromatography.
  • (13) The effect of zinc on sodium coupled glucose uptake was studied in pig intestinal brush border membrane vesicles.
  • (14) In purified jejunal brush-border membranes both alkaline phosphatase and sucrase activities are increased at 4 or 7 weeks but especially at 13 weeks of hypertension.
  • (15) The device was composed of a standard biopsy brush, protected by a single catheter and occluded with an agar plug.
  • (16) The method is based on brushing of copper surface with the studied paste in a device of own design, followed by chemical analysis of copper content in the mass after brushing.
  • (17) Plaque evaluations and brushing procedures were performed as in Visit 1 of the study.
  • (18) However, unlike rodent kidney, we were unable to detect a comparable HMWgp in extracts of human kidney on SDS-PA gels and found no cross-reactive material on Western blots of human brush border membrane proteins.
  • (19) The protein is localized in the brush border of primary and secondary epithelium.
  • (20) For now, Shimizu will not allow the children in her care to be interviewed and brushes off praise for her selflessness.

Underbrush


Definition:

  • (n.) Shrubs, small trees, and the like, in a wood or forest, growing beneath large trees; undergrowth.

Example Sentences:

  • (1) Schad was sentenced to death for killing Lorimer "Leroy" Grove, whose body was found 9 August 1978, in underbrush off the shoulder of US 89 south of Prescott.
  • (2) Removal of underbrush and leaf litter, thinning trees, and frequently mowing grasses help reduce the number of free-living ticks.
  • (3) In addition, no ticks were recovered when the underbrush in 11 contiguous areas was flagged.

Words possibly related to "underbrush"