What's the difference between rigorous and tight?

Rigorous


Definition:

  • (a.) Manifesting, exercising, or favoring rigor; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.
  • (a.) Severe; intense; inclement; as, a rigorous winter.
  • (a.) Violent.

Example Sentences:

  • (1) He added: "There is a rigorous review process of applications submitted by the executive branch, spearheaded initially by five judicial branch lawyers who are national security experts and then by the judges, to ensure that the court's authorizations comport with what the applicable statutes authorize."
  • (2) Upon depletion of ATP in contraction, the P2 intensity reverted to the original rigor level, accompanied by development of rigor tension.
  • (3) which suggest that ~60-90% of the cross-bridges attached in rigor are attached in relaxed fibers at an ionic strength of 20 mM and ~2-10% of this number of cross-bridges are attached in a relaxed fiber at an ionic strength of 170 mM.
  • (4) The symptoms were successfully controlled by rigorous dietary measures.
  • (5) Rigorously designed clinical trials have demonstrated the efficacy and safety of fluoxetine in adults with major depressive disorder and obsessive-compulsive disorder (OCD) but not in patients below 18 years old.
  • (6) Unambiguous mapping and rigorous determination of the nature of the initiation triplet for IF2 beta, the smaller form of IF2, is critical for future mutagenesis of this codon, required for investigating the biological importance of both IF2 alpha and IF2 beta.
  • (7) The identification of the cDNA for an A2b-adenosine receptor will allow more rigorous characterization of its anatomical distribution and functional properties.
  • (8) Meanwhile, we need to show that the recent changes to how we work with the BBC Executive are allowing us to be more focused, more rigorous and more transparent in the work that we do, so that licence fee payers can get a better BBC.
  • (9) A village will be subject to rigorous evaluations in order to demonstrate sustainability and scalability, and that aid developed with an exit strategy can actually work.
  • (10) We therefore conclude that in postrigor muscles, paratropomyosin is released from the A-I junction region following the increase in the sarcoplasmic calcium ion concentration to 10(-4) M, and then binds to thin filaments, which results in weakening of rigor linkages formed between actin and myosin.
  • (11) New observations include: (1) In 15 nm cross sections that show single 14.5 nm levels: (a) The flared X structure characteristic of rigor is replaced by a straight-X figure in which the crossbridge density is aligned along the myosin-actin plane, rather than skewed across it as in rigor.
  • (12) Ferguson’s influence at Old Trafford has clearly waned since the Moyes appointment but, notably, there is no admission on his part that he chose the wrong man, insisting that the club followed a rigorous and methodical selection process.
  • (13) After a three-month period of rigorous training, two PAs were assigned to the ICU.
  • (14) Over the last few days a former member of parliament's intelligence and security committee, Lord King, a former director of GCHQ, Sir David Omand, and a former director general of MI5, Dame Stella Rimington, have questioned whether the agencies need to be more transparent and accept more rigorous scrutiny of their work.
  • (15) Even when carried out rigorously, culling does very little to help.
  • (16) Because the rigor of the present day "scientific method" demands clearcut and reproducible results and investigations require predictable performance of the parasite in an evenly maintained host that is in a highly constrained environment, we should not wonder why we cannot produce the events of nature.
  • (17) The best definition of osteoarthritis is anatomical, but to be rigorous must include the biochemical characteristics of osteoarthritis cartilage.
  • (18) "We remain committed to sourcing merchandise that is produced responsibly by suppliers that adhere to Walmart's rigorous Standards for Suppliers code of conduct."
  • (19) Edelman has a rigorous in-house carbon accounting system.
  • (20) Material, obtained by a rigorous three-stage sampling procedure from five normal rat livers, is systematically subjected to this analysis at four levels of magnification.

Tight


Definition:

  • () of Tie
  • () p. p. of Tie.
  • (superl.) Firmly held together; compact; not loose or open; as, tight cloth; a tight knot.
  • (superl.) Close, so as not to admit the passage of a liquid or other fluid; not leaky; as, a tight ship; a tight cask; a tight room; -- often used in this sense as the second member of a compound; as, water-tight; air-tight.
  • (superl.) Fitting close, or too close, to the body; as, a tight coat or other garment.
  • (superl.) Not ragged; whole; neat; tidy.
  • (superl.) Close; parsimonious; saving; as, a man tight in his dealings.
  • (superl.) Not slack or loose; firmly stretched; taut; -- applied to a rope, chain, or the like, extended or stretched out.
  • (superl.) Handy; adroit; brisk.
  • (superl.) Somewhat intoxicated; tipsy.
  • (superl.) Pressing; stringent; not easy; firmly held; dear; -- said of money or the money market. Cf. Easy, 7.
  • (v. t.) To tighten.

Example Sentences:

  • (1) Freshly isolated sarcoplasmic reticulum vesicles contain 0.05 mol of tightly bound ADP and 0.03 mol of tightly bound ATP per mol of Ca2+, Mg2+-ATPase (ATP phosphohydrolase, EC 3.6.1.3).
  • (2) The expression of the Pgp isoforms appears to be tightly regulated and, at least in some cells, under complex hormonal control.
  • (3) Whereas the tight junctions of endoneurial capillaries are known to prevent certain blood-borne substances from entering the endoneurium, it was not clear whether the permeability of the pulpal capillaries, which are distant from the nerve fibres, could affect the nerve fibre environment.
  • (4) The cells are predominantly monopolar, tightly packed, and are flattened at the outer border of the ring.
  • (5) These data indicate that topoisomerase I and RNA polymerase I are tightly complexed both in vivo and in vitro, and suggest a role for DNA topoisomerase I in the transcription of ribosomal genes.
  • (6) Immunofluorescence and immunoelectronmicroscopy experiments demonstrated that while tight junctions demarcate PAS-O distribution in confluent cultures, apical polarity could be established at low culture densities when cells could not form tight junctions with neighboring cells.
  • (7) Investigations have been made to determine the identity and binding characteristics of the pterins that are bound tightly to dihydrofolate reductases which are isolated from vertebrate sources by a well established procedure.
  • (8) At all times, a tight inverse correlation exists between ATP and IMP concentrations.
  • (9) Recently, a gene for ITD (DYT1) in a non-Jewish kindred was located on chromosome 9q32-34, with tight linkage to the gene encoding gelsolin (GSN).
  • (10) This study investigates the use of the incentive inspirometer to observe the effects of tight versus loose clothing on inhalation volume with 17 volunteer subjects.
  • (11) In contrast, interchange of the histones and tightly bound non-histone protein DNA complexes from hormone-withdrawn and estrogen-stimulated chromatins during reconstitution did not affect the level of mRNAOV sequences produced.
  • (12) Using microelectrodes and various microscopic techniques active Na+ absorption as well as K+ secretion has been localized to the principal cells, while Cl- absorption was found to proceed largely, though not exclusively, through the tight junctions between cells.
  • (13) The successful establishment of a postcrisis SV-40 T antigen transformed epithelial cell line, 1HAEo-, which retains tight junctions and vectorial ion transport, is described.
  • (14) The present investigation shows that the intramembranous proteins of tight and gap junctions are mobile structures within the fluid membrane.
  • (15) In contrast, after incubation with 0.5% DOC, the core microfilaments are no longer tightly bundled yet the lateral arms remain attached with a distinct 33-nm periodicity.
  • (16) The data collected by several approaches reveal that assembly and maturation of vaccinia involves a tightly coupled sequence of interrelated events including the assembly of the envelope, post-translational cleavage of several virion polypeptides, and induction of the core enzymes.
  • (17) The tight coupling between neuronal activity and oxidative energy metabolism forms the basis for the use of cytochrome oxidase as an endogenous metabolic marker for neurons.
  • (18) When using a nylon thread for the attachment of a pseudophakos to the iris, it may happen that the suture is slung tightly around the implant-lens.
  • (19) Some antibodies and other proteins bind tightly to nitrocellulose and dissociation of these proteins by Tween 20 is barely detectable.
  • (20) Independent experts warn that rumours and deliberate misinformation about the regime are rife, partly because it is impossible to verify or disprove most stories about the tightly controlled country's elite.