(n.) An instrument or thing used in rubbing, polishing, or cleaning.
(n.) A coarse file, or the rough part of a file.
(n.) A whetstone; a rubstone.
(n.) An eraser, usually made of caoutchouc.
(n.) The cushion of an electrical machine.
(n.) One who performs massage, especially in a Turkish bath.
(n.) Something that chafes or annoys; hence, something that grates on the feelings; a sarcasm; a rub.
(n.) In some games, as whist, the odd game, as the third or the fifth, when there is a tie between the players; as, to play the rubber; also, a contest determined by the winning of two out of three games; as, to play a rubber of whist.
Example Sentences:
(1) It became fully operational in 1975, replacing its predecessor the rubber bullet.
(2) We describe an enzymatic fluorometric method for determining glucose concentrations in blood samples by analysis on a semi-solid surface (silicone-rubber pads).
(3) Hopes of a breakthrough are slim, though, after WTO members failed to agree a draft deal to rubber-stamp this week.
(4) Dynamics in the changes was established among the workers from the production of "Synthetic rubber and latex", associated with the duration of occupational exposure to styrene and divinyl.
(5) A rubber cuff was fixed on the metal cylinder and let an opening of 8 cm, simulating the cervix uteri.
(6) There were 45 deaths from lung cancer among curing workers compared to 24.6 expected based on the age- and calendar period-specific rates of other rubber workers.
(7) A preparation in a special triple bath was drawn through two rubber membranes dividing the strip into three segments.
(8) Porous polyethylene was thus better incorporated into the soft tissues than silicone rubber as long as the overlying soft tissues were not stressed by an oversized implant or inadequate soft tissue coverage.
(9) Neither pH nor composition of liner collection cone had an effect on postthaw acrosomal scores, but the time required for a 50% increase in severely damaged acrosomes was greater for spermatozoa collected in polyethylene than in rubber liner collection cones.
(10) Mice were exposed to hypoxia by enclosure in cages covered with dimethyl-silicone rubber membranes for 1-14 days.
(11) Two types are present, a crystalline (clear) form and a white, opaque form with pigmentation resulting from a diene rubber.
(12) Another man who is not moving fast enough is shot with a rubber bullet.
(13) "There is no debate over the conclusion that Abir was injured by a rubber bullet shot by border guards, which in turn leads to the conclusion that the shooting of Abir occurred out of negligence, or in violation of the rules of engagement," said Judge Orit Efal-Gabai.
(14) Mortality and morbidity from cancer among a cohort of 13,570 white male rubber workers were examined.
(15) An air chamber attached to a Hg-manometer has in an upper wall a round window 8 mm in diameter, closed by a 0.05 mm-thick rubber membrane.
(16) It consisted of a conventional precordial or esophageal probe connected to a microphone by a rubber adapter.
(17) He explains that the violence began after the demo overran its official cut-off time: Violence flared on Tuesday in the centre of Madrid as baton-wielding police charged crowds and fired rubber bullets at demonstrators who had tried to surround the country's parliament building.
(18) The angiomas of the skin may occur in 3 forms: large cavernous angiomas; blood sac looking like a blue rubber nipple, they can be emptied; irregular blue mark, sometimes with puncted blackish spots, they may not blanch on pressure.
(19) Linear distortion of the mercaptan (polysulfide) rubber base that takes place during setting is a cause of this problem.
(20) Herein we report a case occurring as pustulosis palmaris, that has been identified as an occupational allergic contact dermatitis to black rubber.
Terpene
Definition:
(n.) Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils.
Example Sentences:
(1) Cyclic terpenes were selected from the chemical classes of hydrocarbons (e.g., alpha-pinene), alcohols (e.g., alpha-terpineol), ketones (e.g., carvone), and oxides (e.g., 1.8-cineole, ascaridole).
(2) From the unsaponifiable fraction (63 g) of linseed oil (25 kg), two terpenic alcohols were isolated by alumina column, thin-layer, and gas-liquid chromatography.
(3) During growth on oat grain the production of 8-carbon alcohols and 3-methyl-1-butanol was higher and the production of terpenes was lower than during growth on agar substrates.
(4) Derivatives of camphor and terpenes have been identified in this particular river.
(5) The organisms were isolated on, and grew rapidly in, mineral salts medium containing the appropriate terpene substrates as sole carbon sources.
(6) These observations are compared with the results obtained with terpenic molecules which interact with mitochondrial respiration.
(7) The terpenes with hydrogen-bonding ability, however, only enhanced propranolol flux (at a level comparable to n-nonanol).
(8) The terpene PAF receptor antagonist BN52021 inhibited the action of PAF on [Ca2+]i. Voltage-dependent Ca2+ channel blocker, verapamil (200 microM), antagonized the action of PAF on [Ca2+]i as did chelation of extracellular Ca2+.
(9) Bakuchiol [17], a known prenylated phenolic terpene, was also isolated; its activity was not due to toxicity.
(10) The studies on isolated mitochondria showed a series of effects, starting with the disappearance of the respiratory control and deenergization of the organelles and followed by an inhibition of respiration at higher concentrations of the terpene.
(11) To improve oral litholysis: 1) UDCA was combined with the amino acid taurine, 2) CDCA and UDCA were administered in a single bedtime dose, 3) they were combined, each bile acid in half dosage, and 4) they were mixed with terpenes.
(12) The terpenes prolonged nucleation time from 2.8 to 5.8 days (one capsule; P less than 0.05) and to 9.5 days (two capsules; P less than 0.001), respectively; but nucleation did not occur in seven controls.
(13) Samples collected from 50 mL of ambient air at 87 K (liquid argon) are injected without use of a valve into a silica capillary column which is then temperature programmed from -30 degrees C to 180 degrees C. Hydrocarbons (4 to 10 carbons) as well as carbonyl compounds, chlorinated compounds and terpenes can be identified and quantified.
(14) These results support previous findings suggesting that hydroxylation of the terpene portion of the delta 9-THC molecule significantly reduces intraocular pressure lowering activity.
(15) The problems connected with the measurement of hydrocarbons outside urban areas are considerable: The atmospheric mixing ratios of most of the hydrocarbons are very low--from a few ppb down to some ppt; the mixture of hydrocarbons is extremely complex, ranging from light n-alkanes to alkyl benzenes and terpenes; for measurements in remote areas the logistic conditions often restrict the instrumentation which can be used for sample collection or in situ measurements (such as lack of electric power supply, weight restrictions etc.).
(16) Inhibitors included sulfhydryl reactive compounds, terpene epoxides, and pinane derivatives with substituent groups at carbon 3.
(17) However, rat liver microsomal acyl-CoA:retinol acyltransferase activity was inhibited by the terpene ester.
(18) The content of n-isoalkans, isoprenoids, monocycloparaffins, bi-and tricyclic naphthenes, steranes and terpenes, olifines, squalene and other polyenes in sunflower, cotton, soya oils and oilcakes was measured.
(19) The genotoxicity of the terpene beta-myrcene was evaluated in mammalian cells in vitro.
(20) Both are terpenes, which are derived by assembly of isoprene units.