What's the difference between uncover and unmask?

Uncover


Definition:

  • (v. t.) To take the cover from; to divest of covering; as, to uncover a box, bed, house, or the like; to uncover one's body.
  • (v. t.) To show openly; to disclose; to reveal.
  • (v. t.) To divest of the hat or cap; to bare the head of; as, to uncover one's head; to uncover one's self.
  • (v. i.) To take off the hat or cap; to bare the head in token of respect.
  • (v. i.) To remove the covers from dishes, or the like.

Example Sentences:

  • (1) Nucleotide sequence analysis of cDNAs for asparagine synthetase (AS) of Pisum sativum has uncovered two distinct AS mRNAs (AS1 and AS2) encoding polypeptides that are highly homologous to the human AS enzyme.
  • (2) He was often detained and occasionally beaten when he returned to Minsk for demonstrations, but “if he thought it was professional duty to uncover something, he did that no matter what threats were made,” Kalinkina said.
  • (3) The report says this tactic has helped the west uncover at least one of Iran's secret nuclear sites and, according to official statements by the Iranians, has caused enrichment centrifuges to break.
  • (4) It is recommended that further research be directed toward uncovering the emotional and cognitive resources of teenage mothers rather than focusing on their more obvious weaknesses.
  • (5) Gas trapping and corneal edema were not observed in uncovered corneas or corneas covered with membrane lenses.
  • (6) The Scottish Affairs select committee that is investigating the blacklisting has uncovered documents showing that the police unit monitoring political activists met the blacklisting agency in 2008 to discuss sharing information.
  • (7) Experiments were designed to uncover potential deficits in events related to proliferation including cell surface protein and IL-2 receptor (IL-2R) expression, interleukin-2 (IL-2) production, and accessory cells.
  • (8) Cruddas, who has several BNP councillors in his Barking constituency, told MPs in the House of Commons: "What's been uncovered in the internal workings of the BNP appears to be systematic illegality in terms of data protection, bugging, money laundering, theft and the operation of the Political Parties Elections and Referendums Act 2000."
  • (9) Tangent-screen studies uncovered neurasthenic spiral fields superimposed on hysterical tubular contractions of both eyes.
  • (10) This invertebrate precipitin, Tridacnin, may be used as a marker for nearly two thirds of all asialo serum glycoproteins; A number of different cross-reactions with various other polysaccharides and galactans subdivides those neuraminidase-treated glycoproteins into several subgroups, indicating that the uncovered carbohydrate structures are not always completely identical.
  • (11) There are no cases Money could uncover of people convicted for slipping a dodgy £1 into a vending machine or palming one off to their newsagent, but criminal gangs have been jailed for manufacturing fake coins.
  • (12) In order to uncover the role of G proteins in the integrative functioning and development of the nervous system, we have begun a multidisciplinary study of the G proteins present in the fruit fly, Drosophila melanogaster.
  • (13) The presence of both P and D greatly augments initial cleavage of C3 with D fully uncovering the active site of B and P stabilizing that site.
  • (14) Again, two phenotypes were uncovered, and faster mobility was found in the red cells that had higher agglutinability.
  • (15) It was hard to understand why the girls would go back and why they couldn’t be saved.” She said she had been disturbed by what they had uncovered during research, what she called an “institutional neglect of a certain strata of society”.
  • (16) When the sample was separated into the three groups of organic etiology, psychogenic etiology with psychiatric diagnosis, and psychogenic etiology without psychiatric diagnosis, few significant differences in group profiles were uncovered.
  • (17) ECRF will continue to fight for the truth for Giulio Regeni and in uncovering the fate of Egyptians who fall victim to forced disappearances.” Abdullah’s release comes days after Egyptian investigators visited Rome to discuss developments in the Regeni case.
  • (18) It is likely that future investigations will uncover even more fundamental regulatory roles for heparin as well as for other polysaccharides in the normal function of growth factors, especially in the complex process of angiogenesis.
  • (19) A similar relation was uncovered in the literature for asthmatic patients at rest or during recovery from natural asthma.
  • (20) Raping a child is not the same as putting your hand on the leg of an adult woman, but what is this but a spectrum of systematic abuse being uncovered?

Unmask


Definition:

  • (v. t.) To strip of a mask or disguise; to lay open; to expose.
  • (v. i.) To put off a mask.

Example Sentences:

  • (1) Day by day we strive to unmask all the lies told to citizens.
  • (2) These data indicate that Ba2+ blocked the major K+ conductance(s) of the RPE apical membrane and unmasked a slowing of the normally hyperpolarizing electrogenic Na+-K+ pump caused by lowering [K+]o.
  • (3) These data indicate that ACE inhibitors are able to unmask a release of bradykinin from cultured human endothelial cells.
  • (4) These antibodies recognized only this epitope when unmasked from the entire precursor, allowing the detection of the [1-72] domain which was isolated from pancreatic islets extracts.
  • (5) Finally, three mechanisms are discussed that contribute to the absence of unmasking by masker fluctuations in hearing-impaired listeners.
  • (6) Intravenous dipyridamole-thallium imaging unmasks ischemia in patients unable to exercise adequately.
  • (7) In this experiment, observers were asked to match the loudness of partially masked test-tone bursts in one ear by adjusting the level of unmasked bursts presented to the other ear.
  • (8) Fractionation by Percoll density centrifugation of peripheral blood leucocyte cells, from atopic subjects with seasonal hay fever, unmasked IgE-B cell populations whose individual capacities to synthesize IgE in vitro were obscured in cultures of unfractionated B cells.
  • (9) Pb also appeared to unmask an afterdischarge in some neurons following noxious mechanical stimulation.
  • (10) Since LOH is supposed to unmask the recessive mutation of tumor suppressor gene in the remaining allele, these results may imply that at least six genetic alterations are necessary to convert a normal cell into a fully malignant cancer cell in SCLC.
  • (11) Simultaneous addition of vasopressin or cyclic AMP (+ theophylline) and NTCB resulted in marked synergism, presumably as a result of unmasking of SH groups by the the hormone (or the intermediate).
  • (12) Sialidase-induced desialylation of these natural substrates unmasks saccharides that are specifically recognized by the peanut agglutinin lectin (PNA).
  • (13) This treatment also decreased the amount of herpes-specific IgG and IgM detected by radioimmunoassay, whereas it increased and even unmasked the amount of herpes-specific IgA detected.
  • (14) Therefore, the effect of BHQ appears to involve unmasking of passive Ca(2+)-permeation pathways in the plasma and intracellular membranes that do not respond to cholecystokinin octapeptide, following its described inhibition of the internal-store Ca2+ pumps responsible for accumulating Ca2+ in these pools.
  • (15) Lastly this investigation was conducted both in normal and endotoxin (lipopolysaccharide from Escherichia coli) treated HI and LI mice in an attempt to unmask the hypothesized difference by increasing the macrophage oxidative response capacity.
  • (16) These analyses unmasked unique attributes of spontaneous LH secretory events, which were represented as delimited momentary augmentations in endogenous LH secretory rates interspersed among intervals of relative secretory quiescence.
  • (17) We investigated which components of the cytosol mimicking medium are important for latency of DHAP-AT and unmasking of latent DHAP-AT activity by ATP.
  • (18) L-NOARG (10(-5) M) abolished all relaxation, and unmasked a contractile component; D-NOARG had no effect.
  • (19) Ashley probably hasn’t had any sleep this week, so hopefully he’s left the spooky eyebags unmasked.
  • (20) Interruption of vagal reflexes by cervical vagotomy prevents these inhibitory responses but does not unmask expected increases in either renal SNA or HR.

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