What's the difference between belay and overlay?

Belay


Definition:

  • (v. t.) To lay on or cover; to adorn.
  • (v. t.) To make fast, as a rope, by taking several turns with it round a pin, cleat, or kevel.
  • (v. t.) To lie in wait for with a view to assault. Hence: to block up or obstruct.

Example Sentences:

  • (1) This could spell disaster for small farmers, says Million Belay, co-ordinator of the Alliance for Food Sovereignty in Africa.
  • (2) Girmay Belay, 40, its project coordinator, says: “Thirty years ago the people did not have access to food.
  • (3) Since these fragments cannot form alpha-helises, it is unlikely that upon binding of tachikinins to their receptors, their N-terminal fragments could overcome the hydrophobic barrier of the cell membrane's lipid belayer.
  • (4) "At a time when the African continent is struggling to ensure that there is accountability for serious human rights violations and abuses, it is impossible to justify this decision, which undermines the integrity of the African court of justice and human rights, even before it becomes operational," said the organisation's Africa director, Netsanet Belay.
  • (5) "I thought if I fell off on the last moves, … if the belayer [the person holding the rope at the bottom] sprinted away, that I might be all right.
  • (6) Amnesty International’s Africa research and advocacy director, Netsanet Belay, said “the true horror” of what had happened in Zaria over two days in December was only now coming to light.
  • (7) With extreme rope friction at the rock and running belays the forces can increase up to 6.5 kN.
  • (8) The abduction and brutalisation of young women and girls seems to be part of the modus operandi of Boko Haram,” said Netsanet Belay, Africa director at Amnesty International.
  • (9) These forces depend on the method of belay and the situation of the fall and are mostly independent from the weight of the climber.
  • (10) "The fact that Nigerian security forces knew about Boko Haram's impending raid, but failed to take the immediate action needed to stop it, will only amplify the national and international outcry at this horrific crime," said Netsanet Belay, Amnesty International's Africa director.
  • (11) Million Belay, the head of the Alliance for Food Sovereignty in Africa (AFSA) , said the initiative could spell disaster for small farmers in Africa.
  • (12) Not only is justice a right of victims, accountability could serve as a powerful deterrent to those who think they can kill, rape and pillage with no consequence,” said Netsanet Belay, Amnesty’s Africa director for research and advocacy.
  • (13) The trauma suffered by the (abducted) women and girls is truly horrific,” said Netsanet Belay, Amnesty International’s Africa director for research and advocacy.
  • (14) Photographs and transparencies of the techniques used in belaying, combined with information gained from discussions amongst experienced climbers, provided evidence of the potential injury mechanisms which may be subjected to the belayer in having to arrest a falling climber, whilst moving towards the belayer.

Overlay


Definition:

  • (v. t.) To lay, or spread, something over or across; hence, to cover; to overwhelm; to press excessively upon.
  • (v. t.) To smother with a close covering, or by lying upon.
  • (v. t.) To put an overlay on.
  • (n.) A covering.
  • (n.) A piece of paper pasted upon the tympan sheet to improve the impression by making it stronger at a particular place.
  • (imp.) of Overlie

Example Sentences:

  • (1) Plaque size, appearance, and number were influenced by diluent, incubation temperature after nutrient overlay, centrifugation of inoculated tissue cultures, and number of host cells planted initially in each flask.
  • (2) The adherence of the human respiratory pathogen, Bordetella pertussis, to purified glycosphingolipids was investigated using thin layer chromatography overlay assays.
  • (3) In vitro effect of intravenous immunoglobulin (IVIG), Intraglobin F, on serum opsonic activity against Staphylococcus aureus was studied in 26 full term normal healthy neonates and 18 intrauterine growth retarded (IUGR) neonates by the polymorphonuclear leucocyte overlay method (requiring only a few drops of blood).
  • (4) Dimethyl sulfoxide (DMSO) added to agar overlays during plaque assays of simian virus 40 (SV40) in CV1 monkey cells increases the plaque size and number and enables plaques to be read several days earlier than usual.
  • (5) The overlaying of earlier photos onto the present fundus also makes objective diagnosis of tumors, vessels, and other pathologically significant areas possible.
  • (6) Neutral red concentration in the agar overlay medium affected the number of plaques.
  • (7) Second, a domain of Drosophila alpha spectrin that includes two EF hand calcium-binding sequences bound 45Ca in blot overlay assays.
  • (8) These proteins were characterized with a virus overlay protein blot assay.
  • (9) By using an enzyme-linked assay, M8 and M18 were shown not to bind to MFGM glycolipid, whereas M3 and M24 did, and this was confirmed by overlaying thin layer chromatograms of MFGM lipids with these antibodies.
  • (10) Several bands were detected in each tissues using a 32P-RII overlay method.
  • (11) Overlaying the image are a few brusque swipes across the canvas, a gauzy smear of thin white paint, as if something had passed between us and the painting.
  • (12) No difference could be found between the numbers of mutans streptococci in plaque overlaying cavities and that from adjacent sound enamel.
  • (13) Inoculation of blood-agar by the push-block method and by use of concentrated mycoplasma cell suspensions was compared with the agar-overlay technique.
  • (14) Climbing fiber ablation by intraperitoneal injections of 3-acetylpyridine resulted in a selective depression of cerebellar CaM-PDE expression using Western immunoblot procedures; neither calcineurin (calmodulin-dependent protein phosphatase) nor other calmodulin binding proteins, detected by biotinylated calmodulin overlays, were affected.
  • (15) In addition, on the basis of gel overlay techniques, it appears that the hypersensitive site is also the site at which calmodulin binds to the alpha-subunit in a calcium-dependent manner.
  • (16) A considerable intensification of the avidin-biotin-peroxidase complex staining system (ABC) was obtained by sequentially overlaying the sections to be immunostained with an avidin-rich and a biotin-rich complex.
  • (17) To identify the molecule responsible for binding the virus to target cells, virus overlay protein blot assays were used to examine the molecular weights of cell surface molecules which bind purified virus.
  • (18) Preliminary results in the gel overlay assay show that other members of the intermediate filament family, nuclear lamins A-C, all bind the synthetic oligonucleotide containing the telomere repeat sequence of Oxytricha.
  • (19) The efficacy of the overlay technique for the direct detection of haemolytic colonies of Listeria from raw milk samples was related to agar selectivity.
  • (20) An isoelectric focusing-antigen overlay (IEF-O) technique showed that the target of one of the four cerebrospinal fluid oligoclonal bands was herpes simplex virus (HSV)-1 glycoprotein B, indicating a specific anti-HSV immunoresponse restricted to the CNS.