What's the difference between ceiling and threshold?

Ceiling


Definition:

  • (p. pr. & vb. n.) of Ceil
  • (v. t.) The inside lining of a room overhead; the under side of the floor above; the upper surface opposite to the floor.
  • (v. t.) The lining or finishing of any wall or other surface, with plaster, thin boards, etc.; also, the work when done.
  • (v. t.) The inner planking of a vessel.

Example Sentences:

  • (1) It was an artwork that fired the imaginations of 2 million visitors who played with, were provoked by and plunged themselves into the curious atmosphere of The Weather Project , with its swirling mist and gigantic mirrors that covered the hall's ceiling.
  • (2) However in a repeat of the current standoff over the federal budget, the conservative wing of the Republican party is threatening to exploit its leverage over raising the debt ceiling to unpick Obama's healthcare reforms.
  • (3) His office - with a floor-to-ceiling glass wall offering views over a Bradford suburb and distant moors - is devoid of knick-knacks or memorabilia.
  • (4) Among the non-standard postures examined were: twisting while lifting or lowering, lifting and lowering from lying, sitting, kneeling, and squatting positions, and carrying loads under conditions of constricted ceiling heights.
  • (5) "We have been clear there is flexibility in this offer within the cost ceiling.
  • (6) Moody's said on Wednesday night that there was a greater risk that the US government would not agree to increase its debt ceiling above the legal limit of $14.3 trillion (£8.86tn), hit in May .
  • (7) "If there are no systemic changes to our debt, to our entitlement programs, then I would vote no on raising the debt ceiling."
  • (8) The effects of some modern high ceiling loop diuretics on the guinea-pig's inner ear are tested.
  • (9) Nineteen healthy young women with moderate hypothermia after abdominal surgery were studied for 2 h postoperatively with or without external heating from a heating ceiling.
  • (10) With so many different measures of EU spending, a freeze or cut in one of the ceilings being set this week may not translate into a freeze or cut in the actual amount of money spent.
  • (11) In the meditation hall, daddy longlegs dropped from the ceiling, feeding my anxiety.
  • (12) Steps wind down a rugged rock face to a bedroom, while light floods in from round skylights in the domed ceiling above.
  • (13) For example, in May 2012 , Hockey said, “Australians are right to be concerned about handing Wayne Swan yet another increase in our nation’s credit card limit.” He then went on Alan Jones to argue that the government could not make claims that it was making savings if it was also increasing the debt ceiling from $250bn to $300bn.
  • (14) And when S&P downgraded the US long-term credit rating from AAA to AA+, it was doing so for some sound reasons – because of the appalling immaturity of the Republican Tea Partiers in their negotiations over the debt ceiling.
  • (15) If you squat in the corner of a big cube ( a cubical room, say), you can see at least a floor, a ceiling and three walls.
  • (16) From Bantry Bay to Bucharest, European ceilings today bear witness to a mass hanging signifying the end of the incandescent bulb.
  • (17) Updated at 11.27am BST 11.18am BST Another reminder that the debt ceiling is looming: James Pethokoukis (@JimPethokoukis) Washington fell off the government shutdown cliff ... and there is not another cliff to break its fall until Oct. 17 - Wash. Research Group October 1, 2013 11.16am BST How much will the shutdown cost?
  • (18) I know we have still not shattered that highest and hardest glass ceiling, but I know someday someone will and hopefully sooner than we might think right now,” she added.
  • (19) When it comes to the debt ceiling... it is absolutely his view that demands for aransom of any kind, any kind of extraction of a concession ... are unacceptable.
  • (20) David Cameron spoke of the "thickness" of the glass ceiling she smashed through, again as if other women had been clambering merrily through the gaping governmental hole she had thoughtfully crafted ever since.

Threshold


Definition:

  • (n.) The plank, stone, or piece of timber, which lies under a door, especially of a dwelling house, church, temple, or the like; the doorsill; hence, entrance; gate; door.
  • (n.) Fig.: The place or point of entering or beginning, entrance; outset; as, the threshold of life.

Example Sentences:

  • (1) It is suggested that the Japanese may have lower trabecular bone mineral density than Caucasians but may also have a lower threshold for fracture of the vertebrae.
  • (2) Needle acupuncture did, however, increase the pain threshold compared with the initial value (alpha = 0.1%).
  • (3) A subsample of patients scoring over the recommended threshold (five or above) on the general health questionnaire were interviewed by the psychiatrist to compare the case detection of the general practitioner, an independent psychiatric assessment and the 28-item general health questionnaire at two different cut-off scores.
  • (4) These two types of transfer functions are appropriate to explain the transition to anaerobic metabolism (anaerobic threshold), with a hyperbolic transfer characteristic representing a graded transition; and a sigmoid transfer characteristic representing an abrupt transition.
  • (5) Intensity thresholds for eliciting eating and drinking were different, and both thresholds decreased with repeated testing.
  • (6) The study revealed that hypophysectomy and ventricular injection of AVP dose dependently raised pain threshold and these effects were inhibited by naloxone.
  • (7) The results are consistent with our previous suggestion that lethality for virulent SFV infection results from a lethal threshold of damage to neurons in the CNS and that attenuating mutations may reduce neuronal damage below this threshold level.
  • (8) There were no statistically significant increases in ABR thresholds for irradiated ears vs. control ears.
  • (9) Our previous study demonstrated that acupuncture increased pain threshold of the body, especially in the inflammatory area.
  • (10) It is proposed that microoscillations of the eye increase the threshold for detection of retinal target displacements, leading to less efficient lateral sway stabilization than expected, and that the threshold for detection of self motion in the A-P direction is lower than the threshold for object motion detection used in the calculations, leading to more efficient stabilization of A-P sway.
  • (11) Electrical stimulation of afferent pathways at intensities just below threshold for eliciting action potentials resulted in a dramatic decrease in JSCP threshold.
  • (12) At this threshold there was no effect on reducing the rate of visual acuity overreferrals, but ten children with abnormal binocular vision were detected who were not referred by visual acuity criteria.
  • (13) Noise exposure and demographic data applicable to the United States, and procedures for predicting noise-induced permanent threshold shift (NIPTS) and nosocusis, were used to account for some 8.7 dB of the 13.4 dB average difference between the hearing levels at high frequencies for otologically and noise screened versus unscreened male ears; (this average difference is for the average of the hearing levels at 3000, 4000, and 6000 Hz, average for the 10th, 50th, and 90th percentiles, and ages 20-65 years).
  • (14) Thus it appears that a portion of the adaptation to prolonged and intense endurance training that is responsible for the higher lactate threshold in the trained state persists for a long time (greater than 85 days) after training is stopped.
  • (15) The effects of supervised mild aerobic exercise at the work load of the blood lactate threshold for 10 weeks on serum lipids and apolipoproteins were studied in 24 patients with essential hypertension.
  • (16) Within the high-SR or medium-SR groups, the fibers with the lowest thresholds had the largest threshold shifts.
  • (17) A relationship between the level of sterility induced by juvenoids and reductions in nymph-to-adult ratios permitted formulation of a biological action threshold for regulating treatment.
  • (18) The size of the resulting YACs ranged from 7.7 to 9 kb, considerably below the size threshold found by Zakian et al.
  • (19) The pump function of the heart (oxygen debt dynamics), the anaerobic threshold (complex of gas analytical indices), and the efficacy of blood flow in lesser circulation (O2 consumption plateau) were appraised.
  • (20) Adaptation at 10 deg eccentricity yielded slightly higher threshold elevations than for central vision.