What's the difference between define and replace?

Define


Definition:

  • (v. t.) To fix the bounds of; to bring to a termination; to end.
  • (v. t.) To determine or clearly exhibit the boundaries of; to mark the limits of; as, to define the extent of a kingdom or country.
  • (v. t.) To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly; as, the defining power of an optical instrument.
  • (v. t.) To determine the precise signification of; to fix the meaning of; to describe accurately; to explain; to expound or interpret; as, to define a word, a phrase, or a scientific term.
  • (v. i.) To determine; to decide.

Example Sentences:

  • (1) Brain and ganglia of embryonic Periplaneta americana were grown for 2 to 3 weeks in a chemically defined medium.
  • (2) In this article we report the survival and morbidity rates for all live-born infants weighing 501 to 1000 gram at birth and born to residents of a defined geographic region from 1977 to 1980 (n = 255) compared with 1981 to 1984 (n = 266).
  • (3) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
  • (4) Enhanced sensitivity to ITDs should translate to better-defined azimuthal receptive fields, and therefore may be a step toward achieving an optimal representation of azimuth within the auditory pathway.
  • (5) Anaerobes, in particular Bacteroides spp., are the predominant bacteria present in mixed intra-abdominal infections, yet their critical importance in the pathogenicity of these infections is not clearly defined.
  • (6) High-grade and low-grade candidemia were defined as 25 colony-forming units or more per 10 ml and 10 colony-forming units or fewer per 10 ml of blood, respectively.
  • (7) We reviewed our experience with femorofemoral bypass during the past 10 years to define its role relative to other methods in the treatment of aortoiliac occlusive disease.
  • (8) Periodontal disease activity is defined clinically by progressive loss of probing attachment and radiographically by progressive loss of alveolar bone.
  • (9) There is some correlation between PI values and clinical symptoms, but it is not as well defined as that between SI values and clinical symptoms.
  • (10) Our prospective study has defined a number of important variables in patients with clinical evidence of mast cell proliferation that can predict both the presence of SMCD and the likelihood of fatal disease.
  • (11) Flow cytofluorometric analysis of the strain distribution of the molecules defined by the mAb revealed that two of the antibodies (I-22 and III-5) were directed against nonpolymorphic determinants of Thy-1, whereas V-8 mAb reacted only with Thy-1.2+ lymphocytes.
  • (12) We conclude that neuronal activities in the region of the retrofacial nucleus are important both in the integration of stimuli from the central chemoreceptors and in defining the discharge patterns of respiratory neurons.
  • (13) The study of cellular cyclic AMP level in response to extracellular adenosine stimulation in dividing cells and quiescent cells showed that cells in defined medium had a lower extent of response to adenosine compared to cells cultured in serum-containing medium.
  • (14) The authors describe the special medical expertise of the psychiatrist and define 11 indicators, such as a patient's need for new psychotropic medication or the presence of symptoms requiring medical or laboratory procedures, that can be used to determine whether psychiatric expertise is needed.
  • (15) The polymerization of dATP, dCTP, and dGTP onto the defined length initiator, d(pA)10, has been carried out in four buffers.
  • (16) Three subcohorts were defined: 3212 men whose only exposure to asbestos was to amosite; 3430 exposed to crocidolite; and 675 to both amphiboles.
  • (17) The literature is reviewed to define the role of the different treatment modalities.
  • (18) The amount of intracellular, iodophilic, glycogen-like polysaccharide (IPS) present in cells of two strains of Streptococcus mutans at various stages of growth in a chemically defined medium was determined by quantitative electron microscopy.
  • (19) The Department for International Development (DfID) defines funding provided under the VUP as "financial aid to government".
  • (20) Patients were divided into two groups: poor outcome, defined by the death or a post-operative Karnofsky index less than or equal to 70 (n = 36), and good outcome defined by a Karnofsky index of 80 or more (n = 60).

Replace


Definition:

  • (v. t.) To place again; to restore to a former place, position, condition, or the like.
  • (v. t.) To refund; to repay; to restore; as, to replace a sum of money borrowed.
  • (v. t.) To supply or substitute an equivalent for; as, to replace a lost document.
  • (v. t.) To take the place of; to supply the want of; to fulfull the end or office of.
  • (v. t.) To put in a new or different place.

Example Sentences:

  • (1) Thyroid replacement led to resolution of both apnea and depression.
  • (2) This may be due to efficient replacement of Leu by Phe at CUC (and, probably, CUU) codons throughout the genome.
  • (3) The previous year, he claimed £1,415 for two new sofas, made two separate claims of £230 and £108 for new bed linen, charged £86 for a new kettle and kitchen utensils and made two separate claims, of £65 and £186, for replacement glasses and crockery.
  • (4) We recently demonstrated that functional change in SSI was possible simply by replacing the amino acid residue at the reactive P1 site (methionine 73) of SSI.
  • (5) Analogues of [Orn6]-SP6-11 have been synthesized in which the Met11 residue is replaced by glutamate gamma-alkylesters.
  • (6) In fact, the addition of conditioned medium obtained by 48 hr preincubation of isolated monocytes with 10% PF-382 supernatant (M-CM2) or the concomitant addition of supernatant from PF-382 cells (PF-382-CM) and from unstimulated monocytes (M-CM1) are capable of fully replacing the presence of monocytes in the BFU-E assay.
  • (7) Major plasma metabolites of quazepam were 2-oxoquazepam (OQ), obtained by replacement of S by O,N-desalkyl-2-oxoquazepam (DOQ), and 3-hydroxy-2-oxoquazepam (HOQ) glucuronide.
  • (8) Attachment of the graft to the wound is similar with and without the addition of human basic fibroblast growth factor, a potent angiogenic agent, to the skin replacement before graft placement on wounds.
  • (9) It was concluded that the detachment of the oxaloyl residue from oxaloacetate and its replacement by a proton proceed with inversion of configuration at the methylene group which becomes methyl during the hydrolysis.
  • (10) I f you haven’t got a family, you need that replaced in some way, that’s the most important thing you can do for someone in care,” says 24-year-old Chloe Juliette, herself a care leaver.
  • (11) It is an intriguing moment: the new culture secretary, Sajid Javid, who was brought in to replace Maria Miller last month, is something of an unknown quantity.
  • (12) Replacement of Na+ by K+ or Li+ did not alter uptake, whereas replacement of Cl- by HCO-3 or gluconate- reduced uptake by approximately 40%.
  • (13) He underwent a mitral and aortic valve replacement, followed by a complicated postoperative course.
  • (14) Substitution of NaCl in the extracellular medium by sucrose, LiCl, or Na2SO4 had no effect on glutamate stimulation of [3H]dopamine release; however, release was inhibited when NaCl was replaced by choline chloride or N-methyl-D-glucamine HCl.
  • (15) C. parasitica mutant strains deficient in the production of endothiapepsin (eapA-) were constructed using a gene-replacement strategy.
  • (16) Replacement of vinyl groups with bulkier substituents (hydroxyethyl or acetyl groups) decreases holoenzyme stability and catalytic activity.
  • (17) It became fully operational in 1975, replacing its predecessor the rubber bullet.
  • (18) The experimental results for protein preparations of calmodulin in which Ca2+ was isomorphically replaced by Tb3+ were obtained by a spectrometer working at the Institute of Nuclear Physics.
  • (19) The rate of indole production is increased about 4-fold when the aminoacrylate produced is converted to S-(hydroxyethyl)-L-cysteine by a coupled beta-replacement reaction with beta-mercaptoethanol.
  • (20) Ultrastructural study of the uterine lesion demonstrated smooth muscle cells with only a few "autophagic" facuoles to cells nearly replaced by lysosomes.