What's the difference between sill and threshold?

Sill


Definition:

  • (n.) The basis or foundation of a thing; especially, a horizontal piece, as a timber, which forms the lower member of a frame, or supports a structure; as, the sills of a house, of a bridge, of a loom, and the like.
  • (n.) The timber or stone at the foot of a door; the threshold.
  • (n.) The timber or stone on which a window frame stands; or, the lowest piece in a window frame.
  • (n.) The floor of a gallery or passage in a mine.
  • (n.) A piece of timber across the bottom of a canal lock for the gates to shut against.
  • (n.) The shaft or thill of a carriage.
  • (n.) A young herring.

Example Sentences:

  • (1) It's fairly cheap and easy to capture, too: best shot from a moving Peugeot 207, with the camera balanced on the sill of a half-opened side window.
  • (2) For example, nasal reconstruction may be secondary to repair of deformities of the sill, rim, limen nasi, septum, or nasal bones.
  • (3) Philtrum length, philtrum shape, philtrum depth, nasolabial triangular area, vermilion thickness, Cupid's bow peak, horizontal upper lip groove, vermilion border, alar size, depth of alar groove, nasal deviation, nostril shape, nasal tip, columella height, sill shape, columella width, and facial balance of the anterior, profile, and caudal views are used as aesthetic checkpoints for the results of a cleft lip operation.
  • (4) The lengthening and lowering of the short and sometimes retracted columella and narrowing of the alar bases is performed by making a columellar splitting incision and extending it along the alar sills.
  • (5) Accumulation of the bacterial plaque on materials used for cosmetic fillings was comparatively evaluated against that on the dental enamel of males and females aged 40-50 yr using the index of Löe & Sillness.
  • (6) Fewer short-term illnesses were reported by postpartum women than sill-pregnant women, suggesting the potential for recall bias or loss.
  • (7) Junior to and often feistier than the Metropolitan Opera, City Opera was a spawning ground for top opera talent that included Beverly Sills, Placido Domingo, Renee Fleming and Samuel Ramey.
  • (8) The change in (subischial leg length (SILL)--sitting height (SH)) standard deviation score (SDS) was used as an index of disproportionate segmental growth, which allowed the influence of growth hormone deficiency on growth to be discounted.
  • (9) The findings of this study with respect to retention of continuous and discrete psychomotor sills closely parallel findings of the three-month retention study.
  • (10) Significant increases were also observed in the height SDS for bone age (BA), sitting height (SH) SDS and subischial leg length (SILL) SDS.
  • (11) This reduction in spinal growth is reflected by a strongly positive disproportion score (DPS; [SILL SDS-S.HT SDS] + 2.81).
  • (12) Nasal floor excess is improved by an excision of the nasal sill.
  • (13) The limited effectiveness of esculin, a glycoside of 6,7-dihydroxycoumarin prompted research which led to the synthesis of other compounds of the same class, many of which have proved useful as whiteners; though the really broad developments of the 1940's stemmed from the synthesis of the 4,4'-diaminostilbene-2,2'disulfonic acid derivatives which are sill the most important groups of FWAs.
  • (14) Breakfast in bed, with juice congealing on the sill: pages and pages began to pour out again.
  • (15) If irradiated peripubertally, annual change in (SILL-SH) SDS to final height was +0.22 SD 0.23, not significantly different from the change over puberty in the prepubertal group.
  • (16) The lateral subunit is bordered by philtrum column, nostril sill, alar base, and nasolabial crease, while the medial topographic subunit is one-half the philtrum.
  • (17) This C-junction of the nostril sill allows an alignment of the nasal structure without a primary rhinoplasty.
  • (18) Either dry or humit warm-air inhalations with coniferous oil additives were prescribed depending on the type of sillness.
  • (19) The aspidistra of the book's title comes from the pot plants to be found on every window sill which, for Comstock, symbolise all that is wrong with the "mingy, lower-class decency" he is desperate to escape.
  • (20) The glacier has now become detached from a stabilising sill and is losing ice at a rate of 4.5bn tonnes a year.

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.