(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.
Ripple
Definition:
(v.) An implement, with teeth like those of a comb, for removing the seeds and seed vessels from flax, broom corn, etc.
(v. t.) To remove the seeds from (the stalks of flax, etc.), by means of a ripple.
(v. t.) Hence, to scratch or tear.
(v. i.) To become fretted or dimpled on the surface, as water when agitated or running over a rough bottom; to be covered with small waves or undulations, as a field of grain.
(v. i.) To make a sound as of water running gently over a rough bottom, or the breaking of ripples on the shore.
(v. t.) To fret or dimple, as the surface of running water; to cover with small waves or undulations; as, the breeze rippled the lake.
(n.) The fretting or dimpling of the surface, as of running water; little curling waves.
(n.) A little wave or undulation; a sound such as is made by little waves; as, a ripple of laughter.
(n.) a small wave on the surface of water or other liquids for which the driving force is not gravity, but surface tension.
(n.) the residual AC component in the DC current output from a rectifier, expressed as a percentage of the steady component of the current.
Example Sentences:
(1) 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.
(2) The 180-acre imperial palace appears to send ripples through the surrounding urban grain like a rock thrown into a pond, forming the successive layers of ring-roads.
(3) Shares in energy companies lost ground as the impact of the drop in oil prices rippled through European stock markets.
(4) The market is lightly regulated and any problems could ripple out into a wider credit crunch.
(5) But the move to inflate the price of Daraprim, which is the brand name for the generic drug pyrimethamine and was originally developed in the 1940s by corporate elements of the pharmaceutical giant now known as GlaxoSmithKline, has set off ripples of concern across the medical community.
(6) At least that seemed to be the lesson last week when the autumn statement confirmed a further £600m raid on the troubled universal credit – a move that didn't cause a ripple.
(7) Although only relatively few of the mildly impaired elderly in the nursing home volunteered for the joint activity, the ripple effect of the project extended beyond the direct participants.
(8) Panic rippled through the crowd as riot police advanced repeatedly with batons drawn before being later backed up by dozens of mounted police.
(9) He has described himself as "semi-retired" and, as unrest rippled through Tibetan areas in 2008, threatened to resign as leader of the administration-in-exile if violence continued.
(10) There is a ripple of applause and the odd cheer each time.
(11) The result suggests that the rearrangement of the ripple structure takes place during temperature change successively.
(12) The time has come to relegate psychoanalysis to its proper place as a moment in the historical development of psychiatry and a ripple in 20th century western culture.
(13) However, while the return of rising property prices which started in London has been rippling out to the regions, Zoopla claimed that in some parts of the country homes are worth less than at the turn of the year.
(14) (The day before, they filmed a car chase down the main street and the excitement still ripples through the glutinous air.)
(15) Random grenade blasts and gunfire sent ripples of tension through the crowds, tearful women ducking as explosions rocked the courtyard.
(16) The a parameter (proportional to the lamellar repeat distance) increases with increasing water content, while the b parameter (a measure of the ripple periodicity) decreases with increasing water content.
(17) Secondary rippled structures are observed in the low temperature L beta'-phase for cholesterol content below approx.
(18) They were formed by parallel filaments of 6-10 nm beaded periodically by electron-dense particles of 10-18 nm in a lattice, hexagonal or parallel-ripple pattern.
(19) Meanwhile, barely a ripple was caused by the seeming incongruity of insisting on those on higher incomes to shoulder more of the burden, while failing to repeat the pledge from last year’s Westminster manifesto to introduce a 50p top rate of tax.
(20) In contrast, application of 4-AP to nerves injured by the placement of loose ligatures results in the appearance of late rippled components in the compound action potential.