(n.) One of the brachyuran Crustacea. They are mostly marine, and usually have a broad, short body, covered with a strong shell or carapace. The abdomen is small and curled up beneath the body.
(n.) The zodiacal constellation Cancer.
(a.) A crab apple; -- so named from its harsh taste.
(a.) A cudgel made of the wood of the crab tree; a crabstick.
(a.) A movable winch or windlass with powerful gearing, used with derricks, etc.
(a.) A form of windlass, or geared capstan, for hauling ships into dock, etc.
(a.) A machine used in ropewalks to stretch the yarn.
(a.) A claw for anchoring a portable machine.
(v. t.) To make sour or morose; to embitter.
(v. t.) To beat with a crabstick.
(v. i.) To drift sidewise or to leeward, as a vessel.
(a.) Sour; rough; austere.
Example Sentences:
(1) A total of 202 cultures of yeasts were isolated and characterized from king crab and Dungeness crab meat.
(2) King crabs (Family Lithodidae) are among the world's largest arthropods, having a crab-like morphology and a strongly calcified exoskeleton.
(3) Sarcomas (fleshy tumors) were distinguished from carcinoma (crab leg tumors) at the time of Hippocrates.
(4) In a second series, crabs were repeatedly exposed during training to a light pulse (CS) immediately followed by shock (UCS), and after a 6-h rest interval, tested with either CS-UCS or UCS.
(5) No blood group polymorphism was revealed by testing bonnet macaque red cells with isoantisera produced in rhesus monkeys (M. mulatta) and in crab-eating macaques (M. fascicularis).
(6) These findings provide ultrastructural correlates of the electrophysiological changes produced by glycerol treatment of the closer muscle of the ghost crab (Papir, 1973), namely, interference with excitation-contraction (e-c) coupling.
(7) A clottable protein, named coagulogen, was highly purified from the amoebocyte lysate of Japanese horseshoe crab (Tachypleus tridentatus) by a method similar to that used for the lysate of Limulus polyphemus amoebocytes.
(8) The carbon dioxide solubility coefficient, alphaCO2, and the apparent carbonic acid dissociation constants, K'1 and K'2 were estimated in the serum of the crab Carcinus maenas at various temperatures and ionic strengths.
(9) Two forms of cytochrome P-450 (P-450MC1 and P-450MC2) were purified from liver microsomes of crab-eating monkeys (Macaca irus) treated with 3-methylcholanthrene (MC).
(10) Electrical activity recorded intracellularly from peptidergic neurosecretory terminal dilatations in the sinus gland of crabs (principally Cardisoma guanhumi and C. carnifex) is described.
(11) Isolated muscle fibers from the motor legs of the crab Trichodactilus dilocarcinus were submitted to strong hyperpolarizing currents of varied intensities which produced tension during the current pulse.
(12) The amino acid sequence of troponin C obtained from horseshoe crab, Tachypleus tridentatus, striated muscle was determined by sequence analysis and alignments of chemically and enzymatically cleaved peptides.
(13) C.subimmaculatus was closely associated with a particular substrate and the presence of burrowing crabs.
(14) Our studies in crab-eating macaques indicate that presence in a mother's serum of potent antibodies reactive for red cells for her fetus will not necessarily cause erythroblastosis; in one case the maternal antibodies did not penetrate the placental barrier, and in two cases although the fetal red cells were maximally antibody-coated, they remained undamaged and the disease failed to develop.
(15) A 40-day adaptation of crabs to the freshened sea water results in an increase of maximal activity of Na,K-ATPase, but does not affect the enzyme affinity for ATP, Na+, K+, Mg2+ and ouabain, as well as its cooperative properties.
(16) When crab meat was ingested, none of these four arsenic species were observed at elevated levels until the urine was heated in 2N NaOH.
(17) Clots were allowed to form in samples of whole blood taken from the American horseshoe crab, Limulus polyphemus, in the absence and presence of dansylcadaverine (16), and were analyzed for their contents of N epsilon(gamma-glutamyl)lysine and gamma-glutamyl-dansylcadaverine.
(18) The experiments were performed on in vitro X-organ sinus gland neurosecretory systems from the eyestalk of the crab Cardisoma carnifex.
(19) On the upper reaches of the Cross River from the region around Mamfe and extending as far as the Nigerian fronter at Ekok, the crabs were infected exclusively with P. uterobilateralis.
(20) When the crabs Cancer antennarius and Petrolisthes cinctipes were in seawater (SW), amiloride (10(-4) M) reduced NH3 efflux by approximately 33 and 60%.
Drift
Definition:
(n.) A driving; a violent movement.
(n.) The act or motion of drifting; the force which impels or drives; an overpowering influence or impulse.
(n.) Course or direction along which anything is driven; setting.
(n.) The tendency of an act, argument, course of conduct, or the like; object aimed at or intended; intention; hence, also, import or meaning of a sentence or discourse; aim.
(n.) That which is driven, forced, or urged along
(n.) Anything driven at random.
(n.) A mass of matter which has been driven or forced onward together in a body, or thrown together in a heap, etc., esp. by wind or water; as, a drift of snow, of ice, of sand, and the like.
(n.) A drove or flock, as of cattle, sheep, birds.
(n.) The horizontal thrust or pressure of an arch or vault upon the abutments.
(n.) A collection of loose earth and rocks, or boulders, which have been distributed over large portions of the earth's surface, especially in latitudes north of forty degrees, by the agency of ice.
(n.) In South Africa, a ford in a river.
(n.) A slightly tapered tool of steel for enlarging or shaping a hole in metal, by being forced or driven into or through it; a broach.
(n.) A tool used in driving down compactly the composition contained in a rocket, or like firework.
(n.) A deviation from the line of fire, peculiar to oblong projectiles.
(n.) A passage driven or cut between shaft and shaft; a driftway; a small subterranean gallery; an adit or tunnel.
(n.) The distance through which a current flows in a given time.
(n.) The angle which the line of a ship's motion makes with the meridian, in drifting.
(n.) The distance to which a vessel is carried off from her desired course by the wind, currents, or other causes.
(n.) The place in a deep-waisted vessel where the sheer is raised and the rail is cut off, and usually terminated with a scroll, or driftpiece.
(n.) The distance between the two blocks of a tackle.
(n.) The difference between the size of a bolt and the hole into which it is driven, or between the circumference of a hoop and that of the mast on which it is to be driven.
(v. i.) To float or be driven along by, or as by, a current of water or air; as, the ship drifted astern; a raft drifted ashore; the balloon drifts slowly east.
(v. i.) To accumulate in heaps by the force of wind; to be driven into heaps; as, snow or sand drifts.
(v. i.) to make a drift; to examine a vein or ledge for the purpose of ascertaining the presence of metals or ores; to follow a vein; to prospect.
(v. t.) To drive or carry, as currents do a floating body.
(v. t.) To drive into heaps; as, a current of wind drifts snow or sand.
(v. t.) To enlarge or shape, as a hole, with a drift.
(a.) That causes drifting or that is drifted; movable by wind or currents; as, drift currents; drift ice; drift mud.
Example Sentences:
(1) Electromagnetic flow probes with an inner diameter of 2, 1.5 and 1 nm were used for studies on zero-line drifting and for calibration procedures in a series of rats and rabbits.
(2) It is microcomputer-based, and more easily set up and administered than the drifting-text procedure.
(3) The signals were processed digitally using three different algorithms: 1) simple linear regression (LR); 2) linear regression with drift correction achieved by adding to, or subtracting from the plethysmographic signal a term proportional to time (LRC); 3) Fourier analysis (FFT).
(4) Abducting saccades, which were slightly hypometric, displayed a marked postsaccadic centripetal drift.
(5) With these stringent criteria the rejection rate was 71.0% for group A records, 58.5% for group B and 44.5% for group C. The proportions of records with peak quality (no missing leads or clipping, and grade 1 noise, lead drift or beat-to-beat drift) were 4.5% for group A, 5.5% for group B and 23.0% for group C. Suggested revisions in the grading of technical quality of ECGs are presented.
(6) However, there is no certainty that both of Ainu and the people in Ueno derived from the same origin, or that genetic drift due to endogamy in this village took place.
(7) Efforts to obtain long term, reliable direct measurements of blood pressures have not been successful because of blood clotting impairing the function of sensors, baseline drift, artifacts on measurements, and health hazard-related catheterization.
(8) downward occupational and downward social drift, premature retirement and achievement of the expected social development.
(9) Both sides agree that antigenic diversity is advantageous although selectionists see benefits in individual mutations whereas the proponents of random genetic drift see the advantage in the parasite's capacity to tolerate diversity per se.
(10) Acuity for the direction of drift for these stimuli is of the same order of precision as orientation acuity for static or drifting gratings, and exhibits a meridional anisotropy that favours the principal meridians.
(11) The most parsimonious explanation of this result is that much genetic drift accompanied the establishment of local populations in cities and that there has been little subsequent gene flow.
(12) In contrast, in women, time period effects were a significant improvement on drift for melanoma of the trunk and lower extremity.
(13) We examined the effect of ethylene glycol (EG) concentration, in water, on O2 sensitivity, stirring effect, in vitro drift, in vitro response time, behaviour on the skin of newborn infants and in vivo response time.
(14) When inflation was allowed to drift from 2% to 4% in the 1970s, inflation expectations became unanchored altogether, and price growth far exceeded 4%.
(15) Diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy was used to characterize the product of each step in the preparation of a silica-immobilized N-hydroxysuccinimide (NHS) active ester.
(16) She had attitude to burn, though, while the Bristol crew were content to drift, their work rate informed by the slow pace of their native city and by what might be called the spliff consciousness that determined not just the bass-heavy pulse of their music but the worldview of their lyrics, which often tended towards the insular and the paranoid.
(17) Let’s make sure it’s not on the usual plane of politics and point-scoring and pettiness that drifts away in the next news cycle.
(18) The ABO and Rh systems of the population in 26 residential units in the province of Ferrara were studied to detect the effect of genetic drift on the differentiation of gene frequencies.
(19) After the army, Page drifted between jobs and played in white power bands.
(20) Evidence of genetic drift of serologic types and of some increase in the prevalence of erythromycin-resistant strains has appeared.