(n.) One of the elements, a heavy, pliable, inelastic metal, having a bright, bluish color, but easily tarnished. It is both malleable and ductile, though with little tenacity, and is used for tubes, sheets, bullets, etc. Its specific gravity is 11.37. It is easily fusible, forms alloys with other metals, and is an ingredient of solder and type metal. Atomic weight, 206.4. Symbol Pb (L. Plumbum). It is chiefly obtained from the mineral galena, lead sulphide.
(n.) An article made of lead or an alloy of lead
(n.) A plummet or mass of lead, used in sounding at sea.
(n.) A thin strip of type metal, used to separate lines of type in printing.
(n.) Sheets or plates of lead used as a covering for roofs; hence, pl., a roof covered with lead sheets or terne plates.
(n.) A small cylinder of black lead or plumbago, used in pencils.
(v. t.) To cover, fill, or affect with lead; as, continuous firing leads the grooves of a rifle.
(v. t.) To place leads between the lines of; as, to lead a page; leaded matter.
(v. t.) To guide or conduct with the hand, or by means of some physical contact connection; as, a father leads a child; a jockey leads a horse with a halter; a dog leads a blind man.
(v. t.) To guide or conduct in a certain course, or to a certain place or end, by making the way known; to show the way, esp. by going with or going in advance of. Hence, figuratively: To direct; to counsel; to instruct; as, to lead a traveler; to lead a pupil.
(v. t.) To conduct or direct with authority; to have direction or charge of; as, to lead an army, an exploring party, or a search; to lead a political party.
(v. t.) To go or to be in advance of; to precede; hence, to be foremost or chief among; as, the big sloop led the fleet of yachts; the Guards led the attack; Demosthenes leads the orators of all ages.
(v. t.) To draw or direct by influence, whether good or bad; to prevail on; to induce; to entice; to allure; as, to lead one to espouse a righteous cause.
(v. t.) To guide or conduct one's self in, through, or along (a certain course); hence, to proceed in the way of; to follow the path or course of; to pass; to spend. Also, to cause (one) to proceed or follow in (a certain course).
(v. t.) To begin a game, round, or trick, with; as, to lead trumps; the double five was led.
(v. i.) To guide or conduct, as by accompanying, going before, showing, influencing, directing with authority, etc.; to have precedence or preeminence; to be first or chief; -- used in most of the senses of lead, v. t.
(v. t.) To tend or reach in a certain direction, or to a certain place; as, the path leads to the mill; gambling leads to other vices.
(n.) The act of leading or conducting; guidance; direction; as, to take the lead; to be under the lead of another.
(n.) precedence; advance position; also, the measure of precedence; as, the white horse had the lead; a lead of a boat's length, or of half a second.
(n.) The act or right of playing first in a game or round; the card suit, or piece, so played; as, your partner has the lead.
(n.) The course of a rope from end to end.
(n.) The width of port opening which is uncovered by the valve, for the admission or release of steam, at the instant when the piston is at end of its stroke.
(n.) the distance of haul, as from a cutting to an embankment.
(n.) The action of a tooth, as a tooth of a wheel, in impelling another tooth or a pallet.
Example Sentences:
(1) Thirty-two patients (10 male, 22 female; age 37-82 years) undergoing maintenance haemodialysis or haemofiltration were studied by means of Holter device capable of simultaneously analysing rhythm and ST-changes in three leads.
(2) Herpesviruses such as EBV, HSV, and human herpes virus-6 (HHV-6) have a marked tropism for cells of the immune system and therefore infection by these viruses may result in alterations of immune functions, leading at times to a state of immunosuppression.
(3) LHRH therapy leads to higher plasma LH levels and a lower FSH in response to an intravenous LHRH test.
(4) These results demonstrate that increased availability of galactose, a high-affinity substrate for the enzyme, leads to increased aldose reductase messenger RNA, which suggests a role for aldose reductase in sugar metabolism in the lens.
(5) These are typically runaway processes in which global temperature rises lead to further releases of CO², which in turn brings about more global warming.
(6) Results indicated a .85 probability that Directive Guidance would be followed by Cooperation; a .67 probability that Permissiveness would lead to Noncooperation; and a .97 likelihood that Coerciveness would lead to either Noncooperation or Resistance.
(7) It would be fascinating to see if greater local government involvement in running the NHS in places such as Manchester leads over the longer term to a noticeable difference in the financial outlook.
(8) The Frenchman’s 65th-minute goal was a fifth for United and redemptive after he conceded the penalty from which CSKA Moscow took a first-half lead.
(9) Our results indicate that increasing the delay for more than 8 days following irradiation and TCD syngeneic BMT leads to a rapid loss of the ability to achieve alloengraftment by non-TCD allogeneic bone marrow.
(10) report the complications registered, in particular: lead's displacing 6.2%, run away 0.7%, marked hyperthermya 0.0%, haemorrage 0.4%, wound dehiscence 0.3%, asectic necrosis by decubitus 5%, septic necrosis 0.3%, perforation of the heart 0.2%, pulmonary embolism 0.1%.
(11) The availability and success of changes in reproductive technology should lead to a reappraisal of the indications for hysterectomy, especially in young women.
(12) Photoirradiation of F1 in the presence of the analog leads to inactivation depending linearly on the incorporation of label.
(13) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
(14) The new Somali government has enthusiastically embraced the new deal and created a taskforce, bringing together the government, lead donors (the US, UK, EU, Norway and Denmark), the World Bank and civil society.
(15) Suggested is a carefully prepared system of cycling videocassettes, to effect the dissemination of current medical information from leading medical centers to medical and paramedical people in the "bush".
(16) Mitonafide is the lead compound of a new series of antitumor drugs, the 3-Nitronaphthalimides, which have shown antineoplastic activity in vitro as well as in vivo.
(17) The presently available data allow us to draw the following conclusions: 1) G proteins play a mediatory role in the transmission of the signal(s) generated upon receptor occupancy that leads to the observed cytoskeletal changes.
(18) In the case presented, overdistension of a jejunostomy catheter balloon led to intestinal obstruction and pressure necrosis (of the small bowel), with subsequent abscess formation leading to death from septicemia.
(19) This is rapidly followed by a gamut of changes leading to demyelination.
(20) In crosses between inverted repeats, a single intrachromatid reciprocal exchange leads to inversion of the sequence between the crossover sites and recovery of both genes involved in the event.
Water
Definition:
(n.) The fluid which descends from the clouds in rain, and which forms rivers, lakes, seas, etc.
(n.) A body of water, standing or flowing; a lake, river, or other collection of water.
(n.) Any liquid secretion, humor, or the like, resembling water; esp., the urine.
(n.) A solution in water of a gaseous or readily volatile substance; as, ammonia water.
(n.) The limpidity and luster of a precious stone, especially a diamond; as, a diamond of the first water, that is, perfectly pure and transparent. Hence, of the first water, that is, of the first excellence.
(n.) A wavy, lustrous pattern or decoration such as is imparted to linen, silk, metals, etc. See Water, v. t., 3, Damask, v. t., and Damaskeen.
(v. t.) An addition to the shares representing the capital of a stock company so that the aggregate par value of the shares is increased while their value for investment is diminished, or "diluted."
(v. t.) To wet or supply with water; to moisten; to overflow with water; to irrigate; as, to water land; to water flowers.
(v. t.) To supply with water for drink; to cause or allow to drink; as, to water cattle and horses.
(v. t.) To wet and calender, as cloth, so as to impart to it a lustrous appearance in wavy lines; to diversify with wavelike lines; as, to water silk. Cf. Water, n., 6.
(n.) To add water to (anything), thereby extending the quantity or bulk while reducing the strength or quality; to extend; to dilute; to weaken.
(v. i.) To shed, secrete, or fill with, water or liquid matter; as, his eyes began to water.
(v. i.) To get or take in water; as, the ship put into port to water.
Example Sentences:
(1) These surveys show that campers exposed to mountain stream water are at risk of acquiring giardiasis.
(2) 5-Azacytidine (I) stability was increased approximately 10-fold over its stability in water or lactated Ringer injection by the addition of excess sodium bisulfite and the maintenance of pH approximately 2.5.
(3) And this is the supply of 30% of the state’s fresh water.” To conduct the survey, the state’s water agency dispatches researchers to measure the level of snow manually at 250 separate sites in the Sierra Nevada, Rizzardo said.
(4) We report a case of a sudden death in a SCUBA diver working at a water treatment facility.
(5) We assessed changes in brain water content, as reflected by changes in tissue density, during the early recirculation period following severe forebrain ischemia.
(6) The water is embossed with small waves and it has a chill glassiness which throws light back up at the sky.
(7) The reduction rates of peripheral leukocytes, lung Schiff bases and lung water content were not identical in rats depleted from leukocyte after inhalation injury.
(8) And that, as much as the “on water, operational” considerations, is why we are being kept in the dark.
(9) Excretion of inactive kallikrein again correlated with urine flow rate but the regression relationship between the two variables was different for water-load-induced and frusemide-induced diuresis.
(10) The Hamilton-Wentworth regional health department was asked by one of its municipalities to determine whether the present water supply and sewage disposal methods used in a community without piped water and regional sewage disposal posed a threat to the health of its residents.
(11) Comprehensive regulations are being developed to limit human exposure to contamination in drinking water by the United States Environmental Protection Agency (EPA) under the authority of the Safe Drinking Water Act (SDWA).
(12) Undaunted by the sickening swell of the ocean and wrapped up against the chilly wind, Straneo, of Woods Hole Oceanographic Institution, one of the world's leading oceanographic research centres, continues to take measurements from the waters as the long Arctic dusk falls.
(13) Streaming is shown to occur in water in the focused beams produced by a number of medical pulse-echo devices.
(14) The role of adrenergic agents in augmenting proximal tubular salt and water flux, was studied in a preparation of freshly isolated rabbit renal proximal tubular cells in suspension.
(15) These studies also suggest at least two mechanisms for uric acid reabsorption; one sodium dependent, the other independent of sodium and water transport.
(16) Proposals to increase the tax on high-earning "non-domiciled" residents in Britain were watered down today, after intense lobbying from the business community.
(17) The amount of water, creatinine, electrolytes, proteins, and enzymes were higher during the day (up to three fold, p always less than 0.05), while equal amounts of amino acids were excreted in the day and the night period.
(18) It is especially efficacious in evaluating patients with cystic lesions, especially those with complex cysts not clearly of water density.
(19) 'The only way that child would have drowned in the bath is if you were holding her under the water.'
(20) Changes in regional cerebral blood flow (rCBF) were measured over 254 cortical regions during caloric vestibular stimulation with warm water (44 degrees C).