What's the difference between center and half?

Center


Definition:

  • (n.) A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the middle point or place.
  • (n.) The middle or central portion of anything.
  • (n.) A principal or important point of concentration; the nucleus around which things are gathered or to which they tend; an object of attention, action, or force; as, a center of attaction.
  • (n.) The earth.
  • (n.) Those members of a legislative assembly (as in France) who support the existing government. They sit in the middle of the legislative chamber, opposite the presiding officer, between the conservatives or monarchists, who sit on the right of the speaker, and the radicals or advanced republicans who occupy the seats on his left, See Right, and Left.
  • (n.) A temporary structure upon which the materials of a vault or arch are supported in position until the work becomes self-supporting.
  • (n.) One of the two conical steel pins, in a lathe, etc., upon which the work is held, and about which it revolves.
  • (n.) A conical recess, or indentation, in the end of a shaft or other work, to receive the point of a center, on which the work can turn, as in a lathe.
  • (v. i.) Alt. of Centre
  • (v. t.) Alt. of Centre

Example Sentences:

  • (1) When subjects centered themselves actively, or additionally, contracted trunk flexor or extensor muscles to predetermined levels of activity, no increase in trunk positioning accuracy was found.
  • (2) Suggested is a carefully prepared system of cycling videocassettes, to effect the dissemination of current medical information from leading medical centers to medical and paramedical people in the "bush".
  • (3) Of the 138 patients who were admitted to the study, only seventy-one (51 per cent) could be followed for an average of 3.5 years (a typical return rate of urban trauma centers).
  • (4) Their receptive fields comprise a temporally and spatially linear mechanism (center plus antagonistic surround) that responds to relatively low spatial frequency stimuli, and a temporally nonlinear mechanism, coextensive with the linear mechanism, that--though broad in extent--responds best to high spatial-frequency stimuli.
  • (5) The study included fifty children, aged six to fourteen years, selected from patients seeking routine dental care at Children's Hospital National Medical Center.
  • (6) By using these methods, it was clearly indicated that these factors such as TDF of rectum, Z-coordinate of weighted geometric center (WGC-Z), the dose of whole pelvic irradiation, history of chemotherapy and Treponema pallidum hemoagglutination test (TPHA) were important for occurrence of rectal complication.
  • (7) This paper describes the demographic, clinical, and psychosocial characteristics of a sample of chronically mentally ill clients at a large comprehensive community mental health center.
  • (8) Cloacal exstrophy, centered on the maldevelopment of the primitive streak mesoderm and cloacal membrane, results in bladder and intestinal exstrophy, omphalocele, gender confusion, and hindgut deformity.
  • (9) T cells admixed in the germinal centers were overwhelmingly of the T-helper type.
  • (10) Changing conditions call for each Community Mental Health Center (CMHC) to develop a survival strategy based on its own standards and values.
  • (11) Of the 385 records reviewed for this study, the majority (87%) received their primary care at community health centers or the hospital's own outpatient clinics.
  • (12) Radiologic abnormalities included an unusual "moth-eaten" appearance of the markedly short long bones, bizzare ectopic ossification centers, and marked platyspondyly with unusual ossification centers.
  • (13) The purpose of this study was to determine whether there was a temporal association between the introduction of a Fetal Diagnostic and Treatment Center and changes in fetal mortality.
  • (14) The lack of TBM prior to germinal center development and their absence in aged mice are inconsistent with the concept that TBM are required for the induction of the germinal center reaction.
  • (15) Continuity of care programs, such as that developed by the Pain Service of Memorial Sloan-Kettering Cancer Center (New York), with good communication and liaison work between hospital and community, add a much needed dimension to the pain management of these patients in the home.
  • (16) In contrast, Sca-2 did not appear to stain peripheral T lymphocytes, but recognized only a subset of B lymphocytes which could be localized by immunohistochemistry to germinal centers.
  • (17) An AT-rich stretch is centered at position -31 with respect to the transcription initiation site, and a potential CCAAT box is centered at position -138.
  • (18) Patient care data for patients treated at the medical center are first recorded on paper charts and then coded and transferred to computer.
  • (19) Intrinsic bending of the 527-bp fragment (bend center approximately at bp 240) was represented as a composite of at least two components located near bp 170 and near bp 260.
  • (20) The shading of the optoelectronic system had a coefficient of variation (CV) of 1.42% for measurements in the center of the displayed area, but a CV of 3.55% for measurements over the whole monitor area.

Half


Definition:

  • (a.) Consisting of a moiety, or half; as, a half bushel; a half hour; a half dollar; a half view.
  • (a.) Consisting of some indefinite portion resembling a half; approximately a half, whether more or less; partial; imperfect; as, a half dream; half knowledge.
  • (adv.) In an equal part or degree; in some pa/ appro/mating a half; partially; imperfectly; as, half-colored, half done, half-hearted, half persuaded, half conscious.
  • (a.) Part; side; behalf.
  • (a.) One of two equal parts into which anything may be divided, or considered as divided; -- sometimes followed by of; as, a half of an apple.
  • (v. t.) To halve. [Obs.] See Halve.

Example Sentences:

  • (1) The half-life of 45Ca in the various calcium fractions of both types of bone was 72 hours in both the control and malnourished groups except the calcium complex portion of the long bone of the control group, which was about 100 hours.
  • (2) The Frenchman’s 65th-minute goal was a fifth for United and redemptive after he conceded the penalty from which CSKA Moscow took a first-half lead.
  • (3) This time is approximately six months for the neuroleptics given orally, one month for antidepressants, and five and a half half-lives for benzodiazepines.
  • (4) First, it has diverted grain away from food for fuel, with over a third of US corn now used to produce ethanol and about half of vegetable oils in the EU going towards the production of biodiesel.
  • (5) Q In radioactive decay, different materials decay at different rates, giving different half lives.
  • (6) Thus, it appears that neuronal loss may account for up to roughly half of the striatal D2 receptor loss during aging.
  • (7) The Cao-dependent Na+ efflux was half-maximally activated by [Ca2+]o = 2.0 mM in LiSW and 7.2 mM in Tris-SW; at saturating [Ca2+]o, [Ca2+]i, and [Na+]i the maximal (calculated) Cao-dependent Na+ efflux was approximately 75 pmol#cm2.s.
  • (8) In one patient, the pretibial myxedema developed symmetrically half a year after the appearance of endocrine exophthalmos.
  • (9) In the caudal spinal trigeminal nucleus (Vc), the collaterals of one half of the periodontium afferent fibers terminated mainly in lamina V at the rostral and middle levels of Vc.
  • (10) The half-life of the enzyme at 85 degrees C was 40 min.
  • (11) The half-life was very variable between subjects [2-8 hours], but less variable within subjects and it was unaffected by the formulation.
  • (12) Occasional vomits occur postoperatively in over half of patients but we are sceptical of the value of graded postoperative feeding regimens.
  • (13) Mary's grief, which lasts for about the first half of the two-hour premiere special, is the finest work of the series so far by Michelle Dockery.
  • (14) It should be noted that about a half of the plasmids (11 out of 21) belonged to the incompatibility group P-7 which up to the present time was conditional, since was represented by a single plasmid Rms 148.
  • (15) EDRF is even more labile than prostacyclin, with a half-life of about 6 seconds, and it has recently been identified as nitric oxide.
  • (16) The automatic half of both the motor which advances the trepan as well as the second motor which rotates the trepan is triggered by the sudden change in electrical resistance between the trepan and the patient's internal body fluid, at the final stage of penetration.
  • (17) In 2 patients who had received cadaveric renal allograft, ureteral obstruction was detected six and one-half and five and one-half years after transplantation.
  • (18) He’s been so consistent this season.” Barkley took the two late penalties because the regular taker, Romelu Lukaku, had been withdrawn at half-time with a back injury that is likely to keep the striker out of Saturday’s trip to Stoke City.
  • (19) The terminal half-life averaged 12 h following intravenous and 15 h after oral administration.
  • (20) Eighty interposition mesocaval shunts, using a knitted Dacron large diameter prosthesis, have been performed during the past five and one-half years.