What's the difference between mordant and trenchant?

Mordant


Definition:

  • (a.) Biting; caustic; sarcastic; keen; severe.
  • (a.) Serving to fix colors.
  • (n.) Any corroding substance used in etching.
  • (n.) Any substance, as alum or copperas, which, having a twofold attraction for organic fibers and coloring matter, serves as a bond of union, and thus gives fixity to, or bites in, the dyes.
  • (n.) Any sticky matter by which the gold leaf is made to adhere.
  • (v. t.) To subject to the action of, or imbue with, a mordant; as, to mordant goods for dyeing.

Example Sentences:

  • (1) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
  • (2) Duodenal DM flow was estimated with the indigestible markers, Cr-mordanted cell wall, Yb-soaked whole crop oat silage, and Co-EDTA.
  • (3) But his magnificent, exact rendering of the world, in his mordant, civilised and generous prose, has no comparison.
  • (4) As suggested by results obtained with various phenolics and benzoic acid derivatives, the functional groups required for the mordanting effect of such agents are the carboxyl group, and at least one hydroxyl group concomitantly present on the benzene ring.
  • (5) In this study, kinetic estimates derived from chromium-mordanted hay or pellets were compared to estimates derived from rare earth markers (Yb, Dy, or Er) applied individually to samples.
  • (6) The fractional passage rate of the 1-2 mm particles mordanted with Cr did not differ (P greater than 0.05) between groups.
  • (7) This phosphotungstic acid-iron-haematoxylin (PTAIH) method is based on pretreating the sections with phosphotungstic acid followed by an iron alum mordant and staining in haematoxylin with subsequent timed differentiation, at certain stages of which the features listed above appear.
  • (8) His studies into histological staining techniques (principle of elective staining, mordant staining, staining of myelin sheaths) as well as into microtome techniques proved essential to progress in pathology and bacteriology.
  • (9) In the present study, LDL aggregates were examined by electron microscopy, using new mordant techniques for lipid visualization, and by chemical analysis.
  • (10) Selected lobules of human term placentae were extracorporeally perfused for a recovery period of 20 min, fixed by perfusion and mordanted with ferrocyanide prior to processing for transmission electron microscopy.
  • (11) The age of the bacterial culture, the preparation of the smear, the fixation technic, and the mordant have an important influence on the ease with which gram-positive organisms are decolorized.
  • (12) Mordant in 0.4% tannic acid in distilled water for 1 minute.
  • (13) Intense staining, which proved dependent on nucleic acid content, was achieved by using either the preformed lake, mordanting followed by hematoxylin, hematoxylin alone or the lake at high ionic strength.
  • (14) Following our study on the effect of deoxyribonucleic acid (DNA) extraction on nuclear staining with soluble metal mordant dye lakes covering 29 dye lakes we chose a series of lakes representing the three groups: (1) readily prevented by DNA removal, (2) weakened by DNA extraction but not prevented, (3) unaffected by DNA removal, for application of other endgroup blockade reactions.
  • (15) Small and large particle size wheat bran-supplemented diets were used in combination with the particulate digestion marker chromium mordanted bran (CrMB) and the soluble digestion marker cobalt-EDTA (Co EDTA).
  • (16) It was concluded that the low-level-mordanting technique in combination with appropriate sampling yielded a realistic quantitative description of forage breakdown and movement processes in the digestive tract of cattle.
  • (17) Chromium-mordanted fiber was used as a particle phase marker.
  • (18) Surface analysis by XPS (X-ray photoelection spectroscopy), also called ESCA (electron spectroscopy for chemical analysis), indicates that only certain cations are appreciably sorbed by enamel from an acid etching solution containing phosphoric acid and equimolar concentrations of candidate mordant salts.
  • (19) In spontaneously hyperlipoproteinemic old Sprague-Dawley rats, endogenous lipoproteins (LP) in the size range of 15 to 40 nm were directly visualized within the blood vessels due to specimen mordanting with tannic acid.
  • (20) One or two peevish voices thought Imlah too clever, too dustily "Oxonian", failing to see how mordantly modern many of the fables and instances in Birthmarks are, within their formal virtuosity and confidently literary bearing.

Trenchant


Definition:

  • (v. t.) Fitted to trench or cut; gutting; sharp.
  • (v. t.) Fig.: Keen; biting; severe; as, trenchant wit.

Example Sentences:

  • (1) The hostility Said encountered from pro-Israeli circles in New York was predictable, given his trenchant attacks on Israeli violations of the human rights of Palestinians and his outspoken condemnations of US policies in the Middle East.
  • (2) He went with a bang not a whimper: two of his last contributions to the New Republic were a trenchant critique of the history of the six-day war by Michael Oren, now Israeli ambassador to Washington, and an evisceration of Koba the Dread, Martin Amis's purported book on Stalin.
  • (3) Yet with growing numbers of civilian deaths and escalating violence, many British Syrians have become more trenchant in putting forward pro- or anti-regime views.
  • (4) This year she won plaudits from fellow peers and disability activists alike over a series of trenchant interventions on the controversial welfare reform bill .
  • (5) "If there is one thing that has been wrong with this World Cup it is Fifa’s ridiculous insistence that teams wear predominantly light or dark strips," begins Stewart Todd, before taking a deep breath and resuming his diatribe, utilising both the 'relentless' and 'trenchant' styles.
  • (6) Ruggie’s report was welcomed by Sharan Burrow, general secretary of the International Trade Union Confederation and a trenchant critic of the lack of progress by Qatar on the migrant workers issue.
  • (7) Jones told Turnbull that because he had had dinner with Palmer, a trenchant critic of Abbott, “people” were suggesting that “precisely because you have no hope ever of being the leader again – you have got that into your head, no hope ever – that because of that you are happy to chuck a few bombs around that might blow up Abbott a bit, that is what they are saying.” Turnbull replied that it was Jones who was undermining the Abbott government and “doing the work of the Labor party”, a charge not usually levelled at the Sydney announcer who is an ardent supporter of the prime minister.
  • (8) He was speaking to The Independent, which reports: Mr Fisher trenchantly defends those decisions made at the height of the crisis.
  • (9) That is not only because of McDonnell’s trenchant hard-left economic views, but also because of his combative approach.
  • (10) The White House, fearing the impact of a European disaster on Barack Obama's re-election campaign, is becoming more trenchant in its criticism of the eurozone and its demands of the Germans.
  • (11) Former centre-right president Nicolas Sarkozy was reported to have supplied his own trenchant critique, even as Brignoles voters were preparing to elect Lopez in the second round.
  • (12) The comments from Maria Hutchings, described by Lib Dems as a Sarah Palin figure for her trenchant views and tendency to speak off-message, provoked a storm of protest as political opponents and state-educated celebrities, said she had insulted state schools, including two local ones with glowing Ofsted reports.
  • (13) I don't for a minute accept the logic of reforms that put individuals in private debt to avoid public debt but even the most trenchant libertarian can find fault when those same reforms end up costing the Treasury more money.
  • (14) He chose to release a trenchantly-worded judgment, explaining why had made the initial ruling to keep the identity of the footballer secret, in which he concluded there was "ample reason not to trust" the young woman.
  • (15) For old hands at the negotiations, such as Yvo de Boer, a former Dutch civil servant and UN climate chief known for his trenchant views, the conferences have become trapped in an endless cycle of repeats.
  • (16) But Abbott’s trenchant opposition to the fund is seen as an impediment to any contribution.
  • (17) As a result, general inequality has been becoming more grievous with every year that passes, and without a bleat from the leaders of the party who once spoke up so trenchantly and characteristically for greater equality.
  • (18) Rival Palestinian groups have hailed the signing of a reconciliation agreement that could change the parameters of the search for Middle East peace, amid trenchant opposition from Israel.
  • (19) The faith-based failure to plan for the invasion’s aftermath, rightly damned in trenchant terms by Sir John, was the most catastrophic for the Iraqi people, and indeed for the British service personnel in harm’s way.
  • (20) He has been the most prominent of black British intellectuals since the 1960s, a prominent figure of the Open University and among the most trenchant critics of Thatcherism.