What's the difference between boundary and circumference?

Boundary


Definition:

  • (n.) That which indicates or fixes a limit or extent, or marks a bound, as of a territory; a bounding or separating line; a real or imaginary limit.

Example Sentences:

  • (1) Patients with papillary carcinoma with a good cell-mediated immune response occurred with much lower infiltration of the tumor boundary with lymphocyte whereas the follicular carcinoma less cell-mediated immunity was associated with dense lymphocytic infiltration, suggesting the biological relevance of lymphocytic infiltration may be different for the two histologic variants.
  • (2) In contrast, boundary layer diffusion is operative in the release from the matrixes prepared by compression of physical mixtures.
  • (3) The review will now be delayed for five years, leaving the next election to be fought on the existing constituency boundaries, and seriously damaging David Cameron's chances of winning an overall majority in 2015.
  • (4) In Europe such escapees often find themselves recaptured by boundary adjustments.
  • (5) This gene was previously shown to have a DNase I- and S1-sensitive site for which the boundaries varied with the cell cycle, and we have now precisely mapped these modifications.
  • (6) Past measurements have shown that the intensity range is reduced at the extremes of the F0 range, that there is a gradual upward tilt of the high- and low-intensity boundaries with increasing F0, and that a ripple exists at the boundaries.
  • (7) The problem, however, is that this scale of economic planning and management is entirely outside the boundaries of our reigning ideology.
  • (8) His first ball reaches Ali at hip height and he flicks him to fine leg for a boundary that takes him to a quite epic century.
  • (9) Upon estimation of 5' and 3' boundaries, a 497 base stretch of homology with the TOP1 mRNA was found.
  • (10) Responses above the associated boundary decreased stimulus intensity, responses below the associated boundary increased stimulus intensity.
  • (11) The position of the sedimenting boundary can be observed at any time during the run, and up to six 'photographs' can be recorded for subsequent analysis.
  • (12) If figurative language is defined as involving intentional violation of conceptual boundaries in order to highlight some correspondence, one must be sure that children credited with that competence have (1) the metacognitive and metalinguistic abilities to understand at least some of the implications of such language (Lakoff & Johnson, 1980; Nelson, 1974; Nelson & Nelson, 1978), (2) a conceptual organization that entails the purportedly violated conceptual boundaries (Lange, 1978), and (3) some notion of metaphoric tension as well as ground.
  • (13) First, chains are constrained by their inability to penetrate the boundary.
  • (14) Within the developing CNS of mouse embryos the anterior boundaries of expression are specific for each gene.
  • (15) Cities and counties across the US have also passed laws that prohibit such performances from occurring within their boundaries.
  • (16) The rate of forward patch movement was generally greater at positions further behind the boundary.
  • (17) He said the proposals had been directed at seats that have not changed hands for many years, but said with the redrawing of the constituency boundaries required by David Cameron's desire to cut the number of constituencies no safe seats as previously defined would exist.
  • (18) A line iterative technique is described to solve numerically the resulting coupled system of nonlinear partial differential equations with physiologically relevant boundary and entrance conditions.
  • (19) Many Iranian women are already pushing the boundaries , and observers in Tehran say women who drive with their headscarves resting on their shoulders are becoming a familiar sight.
  • (20) And then, as the Guardian revealed at the weekend, there is the potentially devastating effect of the boundary changes, which can’t really be brought in before an early election but will radically tilt the field by 2020.

Circumference


Definition:

  • (n.) The line that goes round or encompasses a circular figure; a periphery.
  • (n.) A circle; anything circular.
  • (n.) The external surface of a sphere, or of any orbicular body.
  • (v. t.) To include in a circular space; to bound.

Example Sentences:

  • (1) Direct fetal digitalization led to a reduction in umbilical artery resistance, a decline in the abdominal circumference from 20.3 to 17.8 cm, and resolution of the ascites within 72 h. Despite this dramatic response to therapy, fetal death occurred on day 5 of treatment.
  • (2) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
  • (3) The oblique interface between corneal and scleral stroma determines the appearance of the surgical limbus whose landmarks vary around the circumference of the globe but predictably correlate with structures of the anterior chamber angle.
  • (4) Total body fat decreased from 55.8 to 41.4 kg and lean body mass and arm muscle circumference (AMC) remained unchanged.
  • (5) The variations of the elastic properties and the density around the circumference of both the immature osteopetrotic femur and the unaffected femur were found to be similar to those previously measured on normal adult bovine femora.
  • (6) Weight, arm circumference and muscle area-for-height were calculated.
  • (7) Arm muscle circumference was significantly reduced in males.
  • (8) Chest and biceps circumferences increased 4.2% and 3.1%, respectively; abdomen and thigh circumferences did not significantly change; body fat decreased 16.8%; and body mass increased 2.3%.
  • (9) Serial measurements of proximal interphalangeal joint circumference using a single joint that was selected as being 'worst' on clinical grounds or the largest joint at baseline were compared with the mean of all 10 joints in patients with active rheumatoid arthritis receiving second-line drugs.
  • (10) On admission she was found to be a well-nourished infant with a head circumference of 56 cm, bulging anterior fontanelle and mental retardation.
  • (11) Although changes in circumference are most often used, volumetric changes have been reported to be more sensitive and thus more effective.
  • (12) Closely associated with alcoholic hyalin and often found along its entire circumference, were bundles of fine filaments in parallel arrangement of much smaller size.
  • (13) Heights, weights and head circumferences were obtained from two groups of primary school children: 1016 children from throughout Oxfordshire, a rural county with few areas of deprivation, and 219 children from an economically deprived part of the city of Newcastle on Tyne.
  • (14) The affected family members had normal stature, normal occipitofrontal circumference, and no other medical problems.
  • (15) Measurements of cross-sectional muscle areas of the upper-arm and mid-thigh from MRI images were compared to corresponding estimates from anthropometric measurements of limb circumferences and skinfold thicknesses in 25 normal, healthy, elderly persons.
  • (16) In the second placebo controlled experiment 150 mg im testosterone enanthate administration was associated with enhanced rigidity of NPT but with no effect on frequency or circumference change of NPT and no effect on frequency of REM.
  • (17) Cannon bone circumference at weaning was increased (P less than .05) by growth implants.
  • (18) In order to assess the efficacy of therapy, manual measurement of the circumference of thigh and leg and echotomography were performed in order to measure the thickness of the muscle layer.
  • (19) A defect was created in the thoracic trachea in nine piglets (10 kg) by excising a segment from the entire thoracic trachea proximal to the right upper lobe bronchus (3 to 3.5 cm in length) and 30% of the circumference in width (1 to 1.5 cm).
  • (20) The results indicated significant negative correlations between maternal plasma zinc and albumin-bound zinc concentrations and plasma copper concentration in the third trimester of pregnancy and mid-arm circumference and ponderal index.