What's the difference between purr and splutter?

Purr


Definition:

  • (v. i. & t.) To murmur as a cat. See Pur.
  • (n.) The low murmuring sound made by a cat; pur. See Pur.

Example Sentences:

  • (1) Expression of glyA, encoding serine hydroxymethyltransferase activity, was elevated in a purR mutant compared with a wild-type strain.
  • (2) A bulldozer on rail wheels purrs up on the other line and begins pawing at the stones.
  • (3) At the place where adorable meets obnoxious and the purr becomes a shriek, Leslie Mann is waiting to unload a howitzer of funny in your face.
  • (4) Nitrogen control was found to be mediated by the glnLG gene products, and purine repression required a functional purR gene product.
  • (5) Though I could have sworn that you did actually purr,” Dave recalled.
  • (6) AMP but not GMP is needed for binding, and purR mutants are deficient in the binding substance.
  • (7) The PurR protein bound specifically to a DNA fragment carrying the glyA control region, as determined by gel retardation.
  • (8) Cross pathway regulation of pyrC by PurR may provide one mechanism to coordinate synthesis of purine and pyrimidine nucleotides.
  • (9) "Oh, the lords absolutely love Justin," purrs one senior peer.
  • (10) Both operator constitutive and repressor type (purR) mutations have been identified.
  • (11) The purR product functions in the common control of several genetically distinct enzymes that participate before the formation of IMP.
  • (12) The regulation of the guanine operon is regulated by some other mechanism independent of purR.
  • (13) A highly conserved sequence in the promoter regions of these two genes is similar to the pur operator, which is the binding site for the purine repressor (PurR).
  • (14) Gene purB is regulated threefold by the purine pool and purR.
  • (15) The purEK operon is regulated by the purR gene product, and a purR regulatory-protein-binding site related to the sequences found in other pur loci was identified in the purEK operon control region.
  • (16) In the film, there is a killingly funny vignette in which Joshua McGuire’s Ruskin, who cannot pronounce his Rs, purrs with self-satisfaction at his own ideas – the critic who got the cream.
  • (17) Analysis of a purR-lacZ transcriptional fusion indicated that purR expression is autoregulated.
  • (18) Mutations that changed the binding sequence toward the consensus sequence had no significant effect on either PurR binding or purine-mediated repression.
  • (19) Site-directed mutagenesis was used to change the PurR binding site in the control region of a glyA-lac gene fusion.
  • (20) Two independent purR mutations were isolated which abolished repression of purF and purF-lacZ.

Splutter


Definition:

  • (v. i.) To speak hastily and confusedly; to sputter.
  • (n.) A confused noise, as of hasty speaking.

Example Sentences:

  • (1) Gerhard Schröder , Merkel’s immediate predecessor, had pushed through parliament a radical reform agenda to get the country’s spluttering economy back on track.
  • (2) Thereafter they both got so angry with one another they started adopting each other's pet phrases – "I won't be lectured to by..." – and there was the unnerving possibility they might just morph into a single, spluttering entity.
  • (3) The very thought is enough to get older Tory MPs spluttering into their gin this weekend – but it's probably a factor and a very zeitgeisty one.
  • (4) There are still two episodes to go before it splutters over the finishing line.
  • (5) Most worrying of all, despite the head's spluttered remonstration, the parent didn't seem to get the point that school comes first.
  • (6) "Yes OK, but I don't want to die," Duncan splutters.
  • (7) That would be an unfortunate ending to a process that should have been a timely intervention on a vital issue but now looks likely to splutter to a hazy conclusion.
  • (8) So when Bill Gates pitched into the debate last week with a proposal that robots should be taxed , just like human workers are, you can imagine the splutters of outrage from the neoliberal fortresses of Silicon Valley.
  • (9) There was a presumption in the chief executive’s comments in Chantilly on Tuesday as England conducted their painful post-mortem of the spluttering campaign at Euro 2016.
  • (10) But back in Paris, the tone was one of spluttering outrage.
  • (11) splutters John Lally, zoning in on the claim that Hazlehurst was up there with Stockhausen et al .
  • (12) And now there is choking and spluttering and shouts and confusion and everyone begins to turn and run back the way they came.
  • (13) That's assuming the hiccup in the core UK business doesn't develop into a full-blown splutter.
  • (14) Collateral damage extends to the spluttering peace process with the Taliban.
  • (15) Marc Wilmots’ complaints about his opponents’ style and tactics rather ignored the reality that his own charges had spluttered when an opportunity had been there for the taking, yet their biggest threat at the Estádio Nacional remained their potential.
  • (16) Consumption is likely to be a spluttering engine of growth, at best.
  • (17) But they can still appear as champions of the people The old image of the Establishment was summed up by the cartoons of H.M. Bateman in the Twenties, showing a hapless outsider committing a faux pas at a club or grand reception, faced by spluttering colonels or outraged dowagers.
  • (18) This victory took West Ham nine points clear of 18th-placed Sunderland, whom they visit on Monday, yet such a chasm seems remarkable given the way this team spluttered as they did for long periods here, their football lacking guile and purpose even if the manager said they were "absolutely magnificent".
  • (19) Although the noise from HP on Tuesday was about the accusations against unnamed former managers at Autonomy , the real concern should be that the company which Silicon Valley once looked to as the engine of invention is spluttering.
  • (20) This was by no means their worst performance of a spluttering season.