What's the difference between dam and weir?

Dam


Definition:

  • (n.) A female parent; -- used of beasts, especially of quadrupeds; sometimes applied in contempt to a human mother.
  • (n.) A kind or crowned piece in the game of draughts.
  • (n.) A barrier to prevent the flow of a liquid; esp., a bank of earth, or wall of any kind, as of masonry or wood, built across a water course, to confine and keep back flowing water.
  • (n.) A firebrick wall, or a stone, which forms the front of the hearth of a blast furnace.
  • (v. t.) To obstruct or restrain the flow of, by a dam; to confine by constructing a dam, as a stream of water; -- generally used with in or up.
  • (v. t.) To shut up; to stop up; to close; to restrain.

Example Sentences:

  • (1) Blood was collected from pups and dams to determine its caffeine concentration.
  • (2) Over the years the farm dams filled less frequently while the suburbs crept further into the countryside, their swimming pools oblivious to the great drying.
  • (3) Six of eight AD and seven of eight vitamin A-adequate dams carried pregnancy to term (greater than or equal to Day 64).
  • (4) All aircraft exited the strike areas safely.” Earlier, residents living near the Mosul dam told the Associated Press the area was being targeted by air strikes.
  • (5) Serum copper concentration also was measured in dams and kids in a control herd that had no history of ataxia.
  • (6) In contrast, the same concentration of isopropanol produced narcosis in the dams, retarded body-weight gain and reduced the feed intake.
  • (7) In acute experiments on pregnant sows under sodium pentobarbitone anaesthesia, acid base balance, oxygenation and plasma metabolite concentrations were well maintained in the dam and all fetuses which remained undisturbed in utero, irrespective of the duration of the experiment.
  • (8) A dam Johnson's point may need proving towards Roberto Mancini rather than Manuel Pellegrini, but Manchester City will still be aware of a Sunderland player with a cause in the Capital One Cup final.
  • (9) Pups were weaned either to the diet of their dam or to the diet fed to dams in the other treatment group in a crossover design.
  • (10) After 21 days of gestation the morphine-dependent dams were decapitated and the foetal brains were dissected.
  • (11) The open reading frame can be expressed from the dam-regulated mod promoter (for modification of D108 DNA), yet also contains its own dam-independent promoter for expression that is detectable by northern blot analysis late in the D108 lytic cycle.
  • (12) Simmental sires had significantly heavier calves at birth and S and H dams tended to have more calving difficulty and lower survival rates.
  • (13) Primary CMV infection of dams extending into early pregnancy induced augmented cytolysis of CMV-infected fetal cells, but not MA104 NK cell targets, throughout gestation and resulted in 70% loss of conceptus.
  • (14) Mature Angus dams at Goudies had 3.7% calf deaths at birth (4.9 vs 2.4% for males vs females), a further 1.8% calf deaths to weaning and 4.6% assisted births.
  • (15) Further, the presence of the dam in the goalbox reduced plasma corticosterone elevations, particularly among 15-day-old pups and at 60 min.
  • (16) On day 18 the dams were killed and the male fetuses were examined for testicular differentiation.
  • (17) Within this group, fetal resorption had a significant effect upon the sex ratio, and this relationship was significantly affected by the number of implanted embryos: resorbing dams produced male-biased litters at small and intermediate numbers of implantation sites and female-biased litters when the number of implanted embryos was large.
  • (18) Ewe lambs from treated dams had approximately 12% greater rate of growth (P less than .04) than ewe lambs from control dams.
  • (19) Meadow vole dams, housed in a 14L:10D photoperiod were injected daily 3 h before onset of darkness with 10 micrograms melatonin.
  • (20) For heifer carcass traits from 3- to 6-yr-old dams, breed was significant (P less than .05 to P less than .01) for carcass weight, longissimus muscle area, percentage of cutability, and estimated kidney, heart, and pelvic fat.

Weir


Definition:

  • (n.) Alt. of Wear

Example Sentences:

  • (1) Weir soon has to hack away a cross from Bodmer which would otherwise have found Govou in the box.
  • (2) The truth is, though, that Weir does not seem to favour one race over any other.
  • (3) Conflicting guidelines for excisions about the alar base led us to develop calibrated alar base excision, a modification of Weir's approach.
  • (4) With a 10th of Weir's workforce based in the rest of Britain, the EU's pension rules would mean the firm would need to pay off the company pension scheme's £60m deficit far more quickly or break the UK scheme up; both would mean extra costs.
  • (5) But then Weir has won the London Marathon six times and beat Hug by a single second in the 2012 race.
  • (6) Others may argue, as former US Olympic skater Johnny Weir has, that what they define as “politics” shouldn’t enter into the equation of whether a country is fit to host the Games.
  • (7) As Fiona Weir, chief executive of single parents charity Gingerbread, said today: "We fear that many parents will be pressured by their ex and by the new charges to stay out of the new system, and instead will enter into a private arrangement that offers no guarantee of regular, reliable income for their children."
  • (8) Weir, who had been regarded as a candidate to replace former boss Eric Daniels, and Kane are potentially entitled to around £1.7m and £1.6m each.
  • (9) Other important Stevenson titles: Treasure Island (1883); The Strange Case of Dr Jekyll and Mr Hyde (1886); A Child's Garden of Verses (1886); The Weir of Hermiston (1896, posthumous).
  • (10) A similar spirit was invested in several stand-out movie roles: as an unconventional but inspirational English teacher in Peter Weir's Dead Poet's Society (1989); a homeless hobo and sort of holy fool in The Fisher King (1991), directed by Terry Gilliam; and a good-humoured therapist, for which he won an Oscar for Best Supporting Actor, in Gus Van Sant's Good Will Hunting (1997).
  • (11) Today the Environment Agency estimates that 70% of London's 600km river network is concreted, covered over, interrupted by weirs or otherwise modified.
  • (12) Fiona Weir, chief executive, said: "A family having a second child could be over £1,200 worse off this year.
  • (13) The covariance of inbred relatives from a population in linkage and identity equilibrium in the presence of dominance and epistasis is formulated using a similar procedure to that which B. S. Weir and C. C. Cockerham used to derive a general expression for the genotypic variance.
  • (14) Analysts at UBS said Weir was "one of the most attractively positioned mining equipment businesses" with a strong after sales market and improving outlook for orders in 2014.
  • (15) You know,' says Weir, 'it all gets very annoying, being misunderstood.'
  • (16) The weir consists of longitudinal external (small) and internal (large) ribs containing cross-striated microfilaments and connected by a membrane.
  • (17) Philip Landau is an employment lawyer at Landau Zeffertt Weir
  • (18) Amy Weir, the chair of the board, said she believed there should be a debate on the pros and cons of mandatory reporting under which those responsible for the care of children should be obliged to pass on concerns about abuse to the police or other authorities.
  • (19) Although finding himself in general agreement with Weir, Murray disagrees with the latter's acceptance of very limited active euthanasia, and believes that more attention could have been paid to the social contexts of moral beliefs and to the political aspects of the debate over newborn care.
  • (20) The weir consists of interdigitating ribs all of which form one circle, i.e.

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