(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.
Pitch
Definition:
(n.) That point of the ground on which the ball pitches or lights when bowled.
(n.) A thick, black, lustrous, and sticky substance obtained by boiling down tar. It is used in calking the seams of ships; also in coating rope, canvas, wood, ironwork, etc., to preserve them.
(n.) See Pitchstone.
(n.) To cover over or smear with pitch.
(n.) Fig.: To darken; to blacken; to obscure.
(v. t.) To throw, generally with a definite aim or purpose; to cast; to hurl; to toss; as, to pitch quoits; to pitch hay; to pitch a ball.
(v. t.) To thrust or plant in the ground, as stakes or poles; hence, to fix firmly, as by means of poles; to establish; to arrange; as, to pitch a tent; to pitch a camp.
(v. t.) To set, face, or pave with rubble or undressed stones, as an embankment or a roadway.
(v. t.) To fix or set the tone of; as, to pitch a tune.
(v. t.) To set or fix, as a price or value.
(v. i.) To fix or place a tent or temporary habitation; to encamp.
(v. i.) To light; to settle; to come to rest from flight.
(v. i.) To fix one's choise; -- with on or upon.
(v. i.) To plunge or fall; esp., to fall forward; to decline or slope; as, to pitch from a precipice; the vessel pitches in a heavy sea; the field pitches toward the east.
(n.) A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits.
(n.) A point or peak; the extreme point or degree of elevation or depression; hence, a limit or bound.
(n.) Height; stature.
(n.) A descent; a fall; a thrusting down.
(n.) The point where a declivity begins; hence, the declivity itself; a descending slope; the degree or rate of descent or slope; slant; as, a steep pitch in the road; the pitch of a roof.
(n.) The relative acuteness or gravity of a tone, determined by the number of vibrations which produce it; the place of any tone upon a scale of high and low.
(n.) The limit of ground set to a miner who receives a share of the ore taken out.
(n.) The distance from center to center of any two adjacent teeth of gearing, measured on the pitch line; -- called also circular pitch.
(n.) The length, measured along the axis, of a complete turn of the thread of a screw, or of the helical lines of the blades of a screw propeller.
(n.) The distance between the centers of holes, as of rivet holes in boiler plates.
Example Sentences:
(1) The pattern of the stressor that causes a change in the pitch can be often identified only tentatively, if there is no additional information.
(2) Tottenham Hotspur’s £400m redevelopment of White Hart Lane could include a retractable grass pitch as the club explores the possibility of hosting a new NFL franchise.
(3) For each theory, a constraint on preformance is proposed based on interference between the "analytic" and "synthetic" pitch perception modes.
(4) Pitch forward head movements exerted the strongest effect.
(5) A grassed roof, solar panels to provide hot water, a small lake to catch rainwater which is then recycled, timber cladding for insulation ... even the pitch and floodlights are "deliberately positioned below the level of the surrounding terrain in order to reduce noise and light pollution for the neighbouring population".
(6) Frankly, the pair had been at each other ever since the Frenchman had come on to the pitch.
(7) For a while North Korea refused to play, but after delicate negotiations the players were persuaded back on to the pitch and the correct flag was displayed alongside the team photos.
(8) Some artists get thousands of songs pitched and they never know, so Beyoncé herself probably never heard it.
(9) Sometimes in the other team’s half, sometimes in front of his own box, sometimes as the last man.” Die Zeit singles out Bayern’s veteran midfielder Schweinsteiger for praise: “In this historic, dramatic and fascinating victory over Argentina , Schweinsteiger was the boss on the pitch.
(10) Recent STM studies of calf thymus DNA and poly(rA).poly(rU) have shown that the helical pitch and periodic alternation of major and minor grooves can be visualized and reliably measured.
(11) 11.10pm BST Apart from the stumbles in the sales pitch, it's still not clear how the Abbott government will secure most of its budget.
(12) The living wage needs to be pitched at a higher level than Osborne has suggested and paid for by increased productivity.
(13) Patrick Vieira, captain and on-pitch embodiment of Wenger’s reign, won the trophy with the last kick of his career at the club in the season when the Arsenal-United axis was finally broken by Chelsea at the top of the Premier League.
(14) No changes for either side, but Zinedine Zidane has been whispering into Cristiano Ronaldo's ear as he retakes the pitch.
(15) While numerous studies on infant perception have demonstrated the infant's ability to discriminate sounds having different frequencies, little research has evaluated more sophisticated pitch perception abilities such as perceptual constancy and perception of the missing fundamental.
(16) The club train on a council-owned facility and so, when the pitches are not playable or there are other things on, they sometimes have to look elsewhere to stage their sessions.
(17) Their lineup proved to be stacked, with breakouts from AL home run leader Chris Davis and doubles machine Manny Machado, who powered the O's through starting-pitching issues to hang in a tight division.
(18) The cavernous studio will play host to a half-sized football pitch, where pundits will demonstrate what players did or didn't do correctly and there are other technological innovations planned that marry broadband interactivity with live coverage.
(19) But 30 minutes before takeoff on our private jet – like a top-end Lexus limo with wings – actress Rosamund Pike has heroically stepped in for the year's hot meal ticket: an El Bulli supper, pitch perfect for a selection of rare champagne, devised by Adrià with Richard Geoffroy, Dom Pérignon's effervescent chef de cave.
(20) He is helped by constituency boundaries that skew the pitch in Labour’s favour, but even then the leap required looks improbable.