(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.
Pioneer
Definition:
(n.) A soldier detailed or employed to form roads, dig trenches, and make bridges, as an army advances.
(n.) One who goes before, as into the wilderness, preparing the way for others to follow; as, pioneers of civilization; pioneers of reform.
(v. t. & i.) To go before, and prepare or open a way for; to act as pioneer.
Example Sentences:
(1) It is the combination of his company's pan-African and industrialist vision – reminiscent of the aspirations of African independence pioneers like Ghana's Kwame Nkrumah – and its relentless financial growth that has set Dangote apart.
(2) Pioneers (41% of Britons) are global, networked, like innovation and believe in the importance of ethics.
(3) That's right, centuries of political columnists owe their careers to the pioneering efforts of Davy, Davy Crockett, the king of the wild frontier.
(4) Deputy Commissioner Catherine Burn ran the counter-terrorism operation under Task Force Pioneer, which was led by assistant commissioner Mark Murdoch, who reports to Burn.
(5) In this article the results of studies on the relationship between anaphylaxis and CNS, performed by both pioneers and contemporary investigators, are briefly reviewed.
(6) For example, where 2 longitudinal tracts are pioneered independently in grasshopper, only one is formed in Drosophila.
(7) At a time when the intrauterine diagnosis of hydrocephalus is commonplace and pioneering efforts of antenatal therapy are evolving, review of the chronology of treatment of this disorder becomes pertinent.
(8) Since acetylcholine (ACh) was identified as a neurotransmitter at parasympathetic nerve terminals by pioneering pharmacologists such as O. Schmiedeberg, R. Hunt, O. Loewi and H.H.
(9) The road to gaining nearly 1.2 billion monthly active users has seen the mums, dads, aunts and uncles of the generation who pioneered Facebook join it too, spamming their walls with inspirational quotes and images of cute animals, and (shock, horror) commenting on their kids' photos.
(10) But Olney wanted to be an artist and he set off for Paris, where he found himself a garret in which he could make portraits and a new life among friends, lovers and acquaintances that included the black American writer and civil rights pioneer James Baldwin, WH Auden and, distantly, Edith Piaf, whom he saw sing Je ne Regrette Rien for the first time at the Olympia theatre.
(11) He was a pioneer sexologist, demographer, and sportsman and an early Zionist.
(12) Their pioneering studies led to the continuing discoveries of antinuclear antibodies (ANA) and today's considerable knowledge concerning the molecular identity of antigens and further consolidation of ANA.
(13) The move signals a change for Democrats , who have traditionally shied away from gun control in a state with a pioneer tradition of gun ownership.
(14) Seven health habits, commonly referred to as the "Alameda 7," were shown to be associated with physical health status and mortality in a pioneer longitudinal study initiated in 1965 in Alameda County, CA.
(15) In a speech to the United Nations , Hu will declare that China is ready to pioneer a new low-carbon path of development, make a commitment to increase forest cover and pledge financial support for poorer nations to adapt to global warming, according to a source close to his delegation.
(16) Their growth cones pioneer a stereotyped pathway through the limb which becomes the route of one of the major leg nerve trunks.
(17) Just as the National Institute for Care and Health Excellence was the global pioneer for assessing new drugs and treatments in the last decade, London should become the pioneer for digital health technology assessments in the decade ahead.
(18) We, in the infection control field, are quality pioneers in hospitals.
(19) It is widely accepted that Sir James Young Simpson discovered the anaesthetic properties of chloroform and pioneered its application in surgery and midwifery.
(20) From its earliest days, Facebook has navigated – even pioneered – the territory around privacy, and how we express our personal identities online.