What's the difference between trap and trapdoor?

Trap


Definition:

  • (v. t.) To dress with ornaments; to adorn; -- said especially of horses.
  • (n.) An old term rather loosely used to designate various dark-colored, heavy igneous rocks, including especially the feldspathic-augitic rocks, basalt, dolerite, amygdaloid, etc., but including also some kinds of diorite. Called also trap rock.
  • (a.) Of or pertaining to trap rock; as, a trap dike.
  • (n.) A machine or contrivance that shuts suddenly, as with a spring, used for taking game or other animals; as, a trap for foxes.
  • (n.) Fig.: A snare; an ambush; a stratagem; any device by which one may be caught unawares.
  • (n.) A wooden instrument shaped somewhat like a shoe, used in the game of trapball. It consists of a pivoted arm on one end of which is placed the ball to be thrown into the air by striking the other end. Also, a machine for throwing into the air glass balls, clay pigeons, etc., to be shot at.
  • (n.) The game of trapball.
  • (n.) A bend, sag, or partitioned chamber, in a drain, soil pipe, sewer, etc., arranged so that the liquid contents form a seal which prevents passage of air or gas, but permits the flow of liquids.
  • (n.) A place in a water pipe, pump, etc., where air accumulates for want of an outlet.
  • (n.) A wagon, or other vehicle.
  • (n.) A kind of movable stepladder.
  • (v. t.) To catch in a trap or traps; as, to trap foxes.
  • (v. t.) Fig.: To insnare; to take by stratagem; to entrap.
  • (v. t.) To provide with a trap; as, to trap a drain; to trap a sewer pipe. See 4th Trap, 5.
  • (v. i.) To set traps for game; to make a business of trapping game; as, to trap for beaver.

Example Sentences:

  • (1) Magnetic polyethyleneimine (PEI) microcapsules have been developed for trapping electrophilic intermediates in the gastrointestinal (GI) tract.
  • (2) tert-Butyl hydroaminoxyl is detected as a degradation product of the hydroxyl adduct from all spin traps.
  • (3) This suggests that the fusion protein traps the SII in nonstimulatory interactions and that antibody 2-7B inhibits SII binding to RNA polymerase II.
  • (4) The mosquitoes coming to bite in bedrooms were monitored with light traps set beside untreated bednets.
  • (5) They alter most immune functions and create a state of immunity deficiency; they damage the tubules which may lead to interstitial fibrosis and increased postglomerular capillary resistance furthering the trapping of macromolecules in the glomeruli; and they probably increase tissue permeability to macromolecules.
  • (6) Direct surgical exposure of the cervical or cavernous internal carotid artery (ICA) was necessary in the remaining 3 patients, who had undergone unsuccessful surgical trapping.
  • (7) One of the reasons for doing this study is to give a voice to women trapped in this epidemic,” said Dr Catherine Aiken, academic clinical lecturer in the department of obstetrics and gynaecology of the University of Cambridge, “and to bring to light that with all the virology, the vaccination and containment strategy and all the great things that people are doing, there is no voice for those women on the ground.” In a supplement to the study, the researchers have published some of the emails to Women on Web which reveal their fears.
  • (8) The estimated forward (k) and backward (1) rate constants are: 2.45 x I05 M-1 s- and 0.23 x 103 s-1, respectively, for k and I for the case when the drug is trapped by both activation and inactivation gates, and 3.58 x 105 M-l s-l and 4.15 x 10-3 S-l for the case when the drug is not trapped.
  • (9) These results suggest that [99mTc]LDL acts as a trapped ligand in vivo and should therefore, be a good tracer for noninvasive quantitative biodistribution studies of LDL.
  • (10) Godiya Usman, an 18-year-old finalist who jumped off the back of the truck, said she feels trapped by survivor's guilt.
  • (11) Relative to the rate of formation of the 3-oxo intermediate trapped with N-acetylcysteine, epoxidation of octene and subsequent hydrolysis to octane-1,2-diol was over 40 times more rapid.
  • (12) Charcoal was added to the homogenization buffer in these experiments to prevent the artifactual activation of PKA by cAMP analogs trapped in the extracellular space.
  • (13) Best fit of the thyroid data was achieved with a model in which the trap is described by two compartments, a fast ("follicular cell") compartment and a slower ("colloid") compartment.
  • (14) The aggregation product is of high molecular weight and composed of monomers which are trapped in a minium of conformational energy different from the one characterizing the native enzyme.
  • (15) A continuous fluorometric assay that utilizes apoflavodoxin as a trapping agent for riboflavin 5'-phosphate (FMN) has been developed for flavokinase (ATP:riboflavin 5'-phosphotransferase, EC 2.7.1.26).
  • (16) Solid-phase adsorbents were compared in their trapping efficiencies for dichloromethane (DCM), ethylene dibromide (EDB), 4-nitroblphenyl (4-NB), 2-nitrofluorene (2-NF), and fluoranthene (FI).
  • (17) Gas trapping and corneal edema were not observed in uncovered corneas or corneas covered with membrane lenses.
  • (18) The cells were trapped on glass fiber filters and incorporated radioactivity was measured.
  • (19) Based on these results we propose that the linearization of the DNA elution dose-response curve observed after chromatin decondensation reflects a reduction in the degree of chromatin compactness in the nuclear complexes that leads to a relatively uniform distribution of the DNA on the filter and reduces trapping of elutable material in the compact nuclear structures otherwise present.
  • (20) At this time the circulating MN population probably contained labeled long-lived lymphocytes that did not enter inflammatory sites (the traps) as readily as the short-lived lymphocytes.

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.