What's the difference between propagate and spread?

Propagate


Definition:

  • (v. t.) To cause to continue or multiply by generation, or successive production; -- applied to animals and plants; as, to propagate a breed of horses or sheep; to propagate a species of fruit tree.
  • (v. t.) To cause to spread to extend; to impel or continue forward in space; as, to propagate sound or light.
  • (v. t.) To spread from person to person; to extend the knowledge of; to originate and spread; to carry from place to place; to disseminate; as, to propagate a story or report; to propagate the Christian religion.
  • (v. t.) To multiply; to increase.
  • (v. t.) To generate; to produce.
  • (v. i.) To have young or issue; to be produced or multiplied by generation, or by new shoots or plants; as, rabbits propagate rapidly.

Example Sentences:

  • (1) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.
  • (2) The differentiated neuroblastoma cell possesses characteristics of an electrically excitable cell and can generate propagated potential spikes in which Ca2+ is the inward charge carrier.
  • (3) The ruffles of the sub-marginal cells showed different characteristics, being longer and not propagated successively as were the marginal ruffles.
  • (4) This method can characterize reliably flavivirus field isolates at the molecular level without extensive virus propagation and molecular cloning, and will be a valuable tool for molecular epidemiological studies.
  • (5) However the study does not permit to reach any valid conclusions; further elaborate investigations alone could prove the useful role of genetic influence in the propagation of lepromin sensitivity to the subsequent sibs.
  • (6) This has stemmed from an inadequate understanding of the mechanisms involved in the formation and propagation of this condition.
  • (7) The E2A mutants were propagated by growth in human cell lines which express an integrated copy of the DBP gene under the control of a dexamethasone-inducible promoter (D. F. Klessig, D. E. Brough, and V. Cleghon, Mol.
  • (8) Phage H propagated on Yersinia pestis was reported by Molnar and Lawton to be rapidly adsorbed to female but not to male strains of Escherichia coli.
  • (9) The re-examination of previous data revealed that Caenorhabditis elegans produced 1.8% 24-methyl-23-dehydrocholesterol when propagated in medium containing campesterol.
  • (10) In 40 subjects the propagation sequence of phasic contractions could be evaluated and were simultaneous in 53%, antegrade in 35%, and retrograde in 11% of the waves.
  • (11) It is concluded that a number of mechanisms can account for the conduction failure resulting from phospholipase A2, including disruption of sodium channels needed for propagation of regenerative nerve impulses and the depletion of high energy phosphates needed to maintain ionic gradients.
  • (12) However, a region containing pixels that are perfectly synchronous on average would still yield a finite distribution of calculated Fourier coefficients due to the propagation of stochastic pixel noise into the calculated values.
  • (13) Following the 1000-kJ but not the 4200-kJ meal, 10 mg cisapride increased total number of contractions, number of propagated contractions, mean amplitude, and area under curve significantly more than placebo.
  • (14) This phenomenon seems to be due to the generation of surface waves and a corresponding fluid zone into which these waves are also partially propagated.
  • (15) After 4 months of propagation, this cell line regularly showed 15 to 40% reactive cells.
  • (16) Because they prevent secondary capsular opacification and anterior vitreous propagation, it appears that such barrier-type implants should be systematically placed.
  • (17) Propagation and activity level of 18 enzymes catalyzing deamination reactions of dicarboxylic and oxyamino acids and enzymes of amino acid reamination and amino acid N-acyl-derivatives' deacylation have been studied in Klebsiella bacteria.
  • (18) The reaction studied, thus, appears to be the chain branching and propagation phase of lipoperoxidation.
  • (19) Study of the growth characteristics of basal cell carcinoma (BCC), a relatively well-organized, slow-growing skin cancer, has been limited because of the lack of methods for propagation of the tumor off the human host.
  • (20) In cells treated with ion across membranes, tip to base propagation was seen only in the presence of EGTA; when calcium was added the majority of organisms propagated waves from base to tip.

Spread


Definition:

  • (imp. & p. p.) of Spread
  • (v. t.) To extend in length and breadth, or in breadth only; to stretch or expand to a broad or broader surface or extent; to open; to unfurl; as, to spread a carpet; to spread a tent or a sail.
  • (v. t.) To extend so as to cover something; to extend to a great or grater extent in every direction; to cause to fill or cover a wide or wider space.
  • (v. t.) To divulge; to publish, as news or fame; to cause to be more extensively known; to disseminate; to make known fully; as, to spread a report; -- often acompanied by abroad.
  • (v. t.) To propagate; to cause to affect great numbers; as, to spread a disease.
  • (v. t.) To diffuse, as emanations or effluvia; to emit; as, odoriferous plants spread their fragrance.
  • (v. t.) To strew; to scatter over a surface; as, to spread manure; to spread lime on the ground.
  • (v. t.) To prepare; to set and furnish with provisions; as, to spread a table.
  • (v. i.) To extend in length and breadth in all directions, or in breadth only; to be extended or stretched; to expand.
  • (v. i.) To be extended by drawing or beating; as, some metals spread with difficulty.
  • (v. i.) To be made known more extensively, as news.
  • (v. i.) To be propagated from one to another; as, the disease spread into all parts of the city.
  • (n.) Extent; compass.
  • (n.) Expansion of parts.
  • (n.) A cloth used as a cover for a table or a bed.
  • (n.) A table, as spread or furnished with a meal; hence, an entertainment of food; a feast.
  • (n.) A privilege which one person buys of another, of demanding certain shares of stock at a certain price, or of delivering the same shares of stock at another price, within a time agreed upon.
  • (n.) An unlimited expanse of discontinuous points.
  • () imp. & p. p. of Spread, v.

Example Sentences:

  • (1) Muscle weakness and atrophy were most marked in the distal parts of the legs, especially in the gastrocnemius and soleus muscles, and then spread to the thighs and gluteal muscles.
  • (2) Before issuing the ruling, the judge Shaban El-Shamy read a lengthy series of remarks detailing what he described as a litany of ills committed by the Muslim Brotherhood, including “spreading chaos and seeking to bring down the Egyptian state”.
  • (3) The tilt was reproduced with a typical spread of about 10 degrees.
  • (4) Human gingival fibroblasts were allowed to attach and spread on bio-glasses for 1-72 h. Unreactive silica glass and cell culture polystyrene served as controls.
  • (5) I hope this movement will continue and spread for it has within itself the power to stand up to fascism, be victorious in the face of extremism and say no to oppressive political powers everywhere.” Appearing via videolink from Tehran, and joined by London mayor Sadiq Khan and Palme d’Or winner Mike Leigh, Farhadi said: “We are all citizens of the world and I will endeavour to protect and spread this unity.” The London screening of The Salesman on Sunday evening wasintended to be a show of unity and strength against Trump’s travel ban, which attempted to block arrivals in the US from seven predominantly Muslim countries: Iran, Iraq, Libya, Sudan, Somalia, Syria and Yemen.
  • (6) The spatial spread or blur parameter of the blobs was adopted as a scale parameter.
  • (7) We present a mathematical model that is suitable to reconcile this apparent contradiction in the interpretation of the epidemiological data: the observed parallel time series for the spread of AIDS in groups with different risk of infection can be realized by computer simulation, if one assumes that the outbreak of full-blown AIDS only occurs if HIV and a certain infectious coagent (cofactor) CO are present.
  • (8) The agriculture ministry raised the risk level of the virus spreading from moderate to high on Tuesday across the country, at a crucial time for the industry.
  • (9) A television camera scans the spread through microscope optics; computer and special purpose electronics process the video signals to generate run length histograms.
  • (10) Prognoses differ according to the histological type of carcinoma, but therapeutic results are also influenced by osseous involvement or by spread to the lymph nodes.
  • (11) This paper describes a teaching process in which two 4th year medical students learn a family approach to problem solving during a short clerkship of twelve hours spread over four weekly sessions.
  • (12) The type I cells are squamous and give off attenuated sheets of cytoplasm which spread widely over the septal surface; these sheets contain few organelles.
  • (13) Histologically, all 17 lesions were squamous cell carcinomas; 10 lesions being mucosal carcinomas, the remaining 7 lesions mucosal carcinomas spreading beyond the epithelial layer.
  • (14) Previous studies have shown that immunosuppressive therapy permits the growth and spread of inadvertently transplanted malignant cells in man, and, in addition, is associated with a 5 to 6% incidence of de novo cancers in organ homograft recipients who were apparently free of cancer before and at the time of transplantation.
  • (15) Field sizes varied from 3 X 4 to 3 X 12 cm depending on lesion spreading.
  • (16) The stage of a given malignancy, representing the degree of spread of the tumor to its local surroundings or distant sites, is the best predictor of long-term survival.
  • (17) The average length of spreading of the whole type was 14.5 mm, and the average length of spreading of the basal type, 19.6 mm.
  • (18) If mammography becomes a wide spread screening method for early detection of breast cancer, the number of non-true interval cancers could be a feed back on the effectiveness of the screening.
  • (19) The present studies examined the effect of cytosolic protons on electrotonic spread and conduction velocity in cardiac Purkinje fibers.
  • (20) The most effective method of combined therapy of locally spread rhinopharyngeal cancer was polychemotherapy (bleomycetin, methotrexate, vinblastine, and cyclophosphamide) before irradiation with subsequent maintenance cyclophosphamide chemotherapy once in 4 weeks for 3-6 months.