What's the difference between stain and tarnish?

Stain


Definition:

  • (v. t.) To discolor by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood.
  • (v. t.) To color, as wood, glass, paper, cloth, or the like, by processess affecting, chemically or otherwise, the material itself; to tinge with a color or colors combining with, or penetrating, the substance; to dye; as, to stain wood with acids, colored washes, paint rubbed in, etc.; to stain glass.
  • (v. t.) To spot with guilt or infamy; to bring reproach on; to blot; to soil; to tarnish.
  • (v. t.) To cause to seem inferior or soiled by comparison.
  • (v. i.) To give or receive a stain; to grow dim.
  • (n.) A discoloration by foreign matter; a spot; as, a stain on a garment or cloth.
  • (n.) A natural spot of a color different from the gound.
  • (n.) Taint of guilt; tarnish; disgrace; reproach.
  • (n.) Cause of reproach; shame.
  • (n.) A tincture; a tinge.

Example Sentences:

  • (1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
  • (2) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
  • (3) The nuclear origin of the Ha antigen was confirmed by the speckled nuclear immunofluorescence staining pattern given by purified antibody to Ha obtained from a specific immune precipitate.
  • (4) The content of the cavities was not stained by any of the immunocytochemical reactions applied.
  • (5) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
  • (6) Moreover, in DCVC-treated cells the mitochondria could not be stained with rhodamine-123, indicating severe mitochondrial damage and loss of membrane potential.
  • (7) Immunofluorescent staining for HLA-DR showed dermal positivity in 12 of 13 involved- and 9 of 13 uninvolved-skin biopsy specimens from scleroderma patients, compared with only 1 of 10 controls.
  • (8) From these results it was concluded that FITC-Con A staining method applied to smear specimens is more advantageous in the rapidity and the simplicity for tumor cell diagnosis than section specimen method.
  • (9) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
  • (10) It has been found that the epidermal staining pattern for ICAM-1 in each of these diseases in distinctive and different in each disease.
  • (11) After either 5 or 10 days of culture with both cytokines, intense immunofluorescent staining for Ia could be identified on the surface of greater than 80-90% of the viable islet cells.
  • (12) In the second comparison, HSV was isolated from 225 of 1,026 (21.9%) specimens and duplicate human foreskin fibroblast cell wells stained at 24 and 72 h were PAP positive in 241 of 1,026 (23.5%).
  • (13) The epithelium of Brunner's gland stained intensely with Ricinus communis agglutinin-I (RCA-I), succinylated-WGA (S-WGA) and wheat-germ agglutinin (WGA), moderately with Bandeirea simplicifolia agglutinin-I (BS-I), Concanavalia ensiformis agglutinin (Con A) peanut agglutinin (PNA) and Ulex europaeus agglutinin-I (UEA-I) and occasionally with Dolichos biflorus agglutinin (DBA), Lens culinaris agglutinin (LCA) and soybean agglutinin (SBA).
  • (14) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
  • (15) One major band with a molecular weight of 12,000 was detected by autofluorography and coincided with the Coomassie staining band of apocytochrome c from S. cerevisiae.
  • (16) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
  • (17) In the present study, 125 oesophageal biopsies obtained under direct vision at endoscopy from 22 patients with Barrett's oesophagus were systematically studied using fluorescence and peroxidase antiperoxidase single and double-staining immunocytochemical methods employing highly specific antibodies to localize the following peptide-containing cell types in Barrett's mucosa: gastrin, somatostatin, gastric inhibitory polypeptide, motilin, neurotensin and pancreatic glucagon.
  • (18) The rate of nuclei stained by Pr-122 is different from that of Pr-192 in both growing and quiescent cultures.
  • (19) This light microscopic comparison of viable FDA- and nonviable PI-stained cysts of G. muris demonstrates that 2 types of cysts can be distinguished and implies that structural differences can be used to identify these subpopulations of cysts.
  • (20) Benign and malignant epithelial and soft tissue tumors of the skin were usually negatively stained with MoAb HMSA-2.

Tarnish


Definition:

  • (a.) To soil, or change the appearance of, especially by an alternation induced by the air, or by dust, or the like; to diminish, dull, or destroy the luster of; to sully; as, to tarnish a metal; to tarnish gilding; to tarnish the purity of color.
  • (v. i.) To lose luster; to become dull; as, gilding will tarnish in a foul air.
  • (n.) The quality or state of being tarnished; stain; soil; blemish.
  • (n.) A thin film on the surface of a metal, usually due to a slight alteration of the original color; as, the steel tarnish in columbite.

Example Sentences:

  • (1) 'Devastated' Peter Greste calls on Egypt's president to pardon trio Read more “It’s ironic that the conviction was for tarnishing Egypt’s reputation when ... this [case] is what’s tarnished Egypt’s image,” Clooney told BBC News.
  • (2) He used the pre-recorded speech to deny accusations of embezzlement, saying: "They aim to tarnish my reputation and discredit my integrity, my stance, my political and military history during which I worked hard for Egypt and its people in peace and war."
  • (3) After heat treatment, the test piece was examined for compressive strength, compressive shrinkage, hardness, tarnishing and difference in phase.
  • (4) It is little wonder therefore that the circumstances around its death immediately prompted Westminster speculation that the announcement had simply been rushed forward from after the Easter recess in order to put some political punch back into the prime minister's tarnished anti-Ukip immigration initiative.
  • (5) Like many in Abbottabad, Abbasi believes the town has been unfairly tarnished by its association with a terrorist mastermind who lived undetected just a short distance from Pakistan's elite military training school.
  • (6) Paris police launch inquiry after Chelsea fans seen abusing black man on film Read more Handing down the orders at Stratford magistrates court on Wednesday, he said it was a racist incident that tarnished English football.
  • (7) And each of these groups is giving Clinton, or whoever emerges as the Democratic candidate for the 2016 White House race, at least a two-to-one advantage over a Republican party whose brand has been badly tarnished.
  • (8) The heavy price of Goldsmith’s shameless attempts to tarnish a liberal Muslim is that it will become harder, not easier, for Asians to call out unacceptable practices in their own communities.
  • (9) For the 32-month period these prostheses have been in use, no tissue reaction, tarnish, or corrosion had been observed.
  • (10) A conservative, lower-middle-class district bordering the Golden Horn and predominantly inhabited by Turks from the Black Sea coast, Kasimpasa loves Recep Tayyip Erdogan, the powerful prime minister increasingly reviled across Turkey and tarnished internationally.
  • (11) Anglo-Russian relations remain tarnished by the murder of British citizen and Putin critic Alexander Litvinenko in London in 2006 with a radioactive isotope.
  • (12) A tarnished airline brand coupled with weak finances can spell doom.
  • (13) That did not work out, but such mis-steps don’t seem to have tarnished the rapper’s brand.
  • (14) Meanwhile, the symbols of their adopted country’s world-beating prowess, from football to cars, look somewhat tarnished.
  • (15) He said it was a racist incident that tarnished English football.
  • (16) The true value of these celebrity paintings: like Picasso's Child with a Dove , which left Britain when the Qatar royal family bought it for £50m, is tarnished by massive sums.
  • (17) The alloys which had a high atomic ratio of Au + Pt + Pd + In + Zn to Ag had higher tarnish resistance.
  • (18) The legacy of this side cannot be tarnished, but for the first real time under Guardiola, they are under threat.
  • (19) Polls over the last year showed Chicagoans growing dissatisfied with Emanuel, with the star power that helped him return to Chicago and become mayor clearly tarnished.
  • (20) Is there any chance the Israelis will let us through, and repair their tarnished reputation?