What's the difference between trapdoor and trapper?

Trapdoor


Definition:

  • (n.) A lifting or sliding door covering an opening in a roof or floor.
  • (n.) A door in a level for regulating the ventilating current; -- called also weather door.

Example Sentences:

  • (1) The material was used as an intrascleral implant in 100 trapdoor retinal procedures.
  • (2) Moreover, within the question of what provision goes where, lurk trapdoors.
  • (3) It allows primary closure of recipient and donor site without the formation of dog-ear or trapdoor deformity.
  • (4) This series included 192 trapdoor and scleral pouch procedures, and 183 operations in which a gelatin implant was used beneath a silicone rubber implant.
  • (5) Yet the fact remains that, since he left the Liberty Stadium in 2009, a section of the Swansea fans have branded him "El Judas" and City's 3-2 win in May pushed his Wigan side to the relegation trapdoor.
  • (6) The launch didn’t go well, which was bad news for their nuclear program but good news for the man-eating crocodiles that live under the trapdoor in Kim Jong-un’s bedroom.
  • (7) For marked trapdoor deformities, the combination of multiple, small Z-plasties along the semicircular scar and peripheral undermining about the trapdoor defect is the corrective procedure.
  • (8) For mild to moderately severe trapdoor deformities, multiple, small Z-plasties about the periphery of the nasolabial flap are indicated.
  • (9) Trapdoor fractures of the floor of the orbit were first described in 1965 by Soll and Poley.
  • (10) Sheath closure after tendon grafting was accomplished by trapdoor of the original sheath, vein patch, and vein conduit.
  • (11) It has recently been the source of three new kinds of plant, a trapdoor spider , another snail and new kind of Bent-toed Gecko .
  • (12) Intralesional triamcinolone acetonide injections may produce a "pharmacologic Z-plasty" effect in some trapdoor deformities.
  • (13) Tissue obtained at seven different time periods was studied by light and electron microscopy and showed only a mild inflammatory reaction of the same grade as or less than that surrounding nylon sutures used to close the scleral trapdoors.
  • (14) Animals were randomized into three groups based on the type of incision used: inferiorly based trapdoor, vertical slit, or horizontal H. Endoscopic, radiographic, and airflow studies, as well as cross-sectional areas, were compared on all animals surviving tracheal cannulation for eight days and subsequent decannulation for seven days.
  • (15) In 2009, when a veteran Washington reporter, Helen Thomas, asked Barack Obama in the first month of his presidency if he knew of any country in the Middle East with nuclear weapons, he dodged the trapdoor by saying only that he did not wish to "speculate".
  • (16) Fractured bone tips were classified to depressive and trapdoor types.
  • (17) In the modern benefits system, trapdoors abound: if you fail to get the employment and support allowance and find yourself on jobseeker's allowance, for example, you will not only suffer a 14% drop in income but may very well fall foul of the latter's demands and find yourself "sanctioned", with no benefits at all.
  • (18) The fractures were classified on the basis of the location (floor, medial wall or roof), extent (total, partial or linear) and type of fragments (punched-out or trapdoor).
  • (19) With regard to the type of fragments, all of the trapdoor type cases showed a favorable result with disappearance of double vision within three months.
  • (20) Success can be anticipated only in carefully selected cases with relatively circumscribed stenosis, if the so-called submucous resection with micro-trapdoor flap technique is employed.

Trapper


Definition:

  • (n.) One who traps animals; one who makes a business of trapping animals for their furs.
  • (n.) A boy who opens and shuts a trapdoor in a gallery or level.

Example Sentences:

  • (1) Trapper moving 30,000 bees from South Austin oak tree What happened: When bees become disruptive in cities, local governments are favoring the relocation of bees over extermination.
  • (2) However, specific service accessibility problems were identified at the time of the evaluation as indicated by participation rates of only 50% of the targeted hunters and trappers.
  • (3) Among high risk subjects in the Rome area, Hantaan antibody was found in mammalogists (10%) and dialysis patients (6%), while none of the trappers, oarsmen, river policemen and firemen studied tested positive for antibodies to hantaviruses.
  • (4) Our results further support the concept that free radicals contribute to brain injury following ischemia and suggest the potential therapeutic application of electron spin trappers in stroke.
  • (5) I set about trying to figure out a large-scale affordable system for ridding the waterways of this species, which, really, is what the government should be doing – you can't have one bloke doing all the trapping… Environmentalists thought for a long time that trapping wouldn't work, because trappers only took the big fish and left the small ones in the wild.
  • (6) Chemiluminescence in the visible region was markedly quenched by various radical trappers and by an inhibitor of NADPH-cytochrome c reductase, but not by superoxide dismutase.
  • (7) We examined the ability of phenyl-t-butyl-nitrone (PBN), an electron spin trapper, to attenuate ischemia-induced forebrain edema and hippocampal CA1 neuronal loss in gerbils, and to protect rat cerebellar neurons in primary culture from glutamate-induced toxicity.
  • (8) 14 out of 66 trappers, or 21.2 per cent, had antibodies, at titer of 1:50 or more, to various leptospiral serovars: L.icterohaemorrhagiae in 12 cases, L.hardjo in 1 case, L.bratislava in 1 case.
  • (9) Twenty-three livetrapped and two trapper-caught river otters (Lutra canadensis) from northeastern Pennsylvania (USA) were examined for ectoparasites immediately after their captures during 1981 to 1985.
  • (10) In contrast to the effect of the trappers on PG synthesis, BSA and alpha-cyclodextrin are observed to potentiate BK- and ionophore-stimulated incorporation of [3H]acetate into PAF in the endothelial cells.
  • (11) In 1982 the Cree Board of Health and Social Services of James Bay in northern Quebec created the bush-kit program to provide hunters and trappers with the technical skills to handle medical problems in the bush.
  • (12) The influences of anti-allergic drugs on superoxide generation from the hypoxanthine-xanthine oxidase system or polymorphonuclear leukocytes (PMN) were studied by an electron spin resonance assay using 5,5-dimethyl-1-pyrroline-N-oxide (DMPO) as a spin trapper.
  • (13) Motor vehicles of any kind are banned, but you can hire a horse or a trapper (both about £20 an hour) – otherwise risk it on your own.
  • (14) Here is Fisher a few weeks ago: “When people like me … enter the fray on marriage we now expect to be tagged ‘ultra-conservative’, ‘tedious imbecile’, ‘delusional nutter’, ‘evangelical clap-trapper’ and even ‘nauseating piece of filth’ not just in the anti-social media but even in the mainstream.
  • (15) The environmental risk factors could justify the high prevalence of leptospiral antibodies in the field workers (trappers), while continuous laboratory contacts with rodents explain the presence of Hantaan virus antibodies in mammalogists .
  • (16) In Rome, leptospiral antibodies were found in trappers (21%) and oarsmen (5%) at a titer of 1:50 or more, with a predominance for the L. icterohaemorrhagiae serotype (85%).
  • (17) The results of these studies suggest that in the 89Sr-irradiated animal the spleen is transformed from a trapper to the prime supplier of CFU-S and that in normal mice the spleen may suppress marrow CFU-S proliferation.
  • (18) Five hundred two trappers representing 389 registered traplines in northern Alberta, northern British Columbia, Northwest Territories and Yukon Territory (Canada) responded to a questionnaire on the occurrence of hair loss and the winter tick (Dermacentor albipictus) on moose (Alces alces).
  • (19) Or maybe the site had been a resting place for some intrepid fur trapper?
  • (20) None of the 66 trappers studied (using IFI ) had detectable Hantaan antibody, while only 2 out of 20 mammalogists presented antibody at low titer (1:32).