What's the difference between relax and slack?

Relax


Definition:

  • (n.) To make lax or loose; to make less close, firm, rigid, tense, or the like; to slacken; to loosen; to open; as, to relax a rope or cord; to relax the muscles or sinews.
  • (n.) To make less severe or rigorous; to abate the stringency of; to remit in respect to strenuousness, earnestness, or effort; as, to relax discipline; to relax one's attention or endeavors.
  • (n.) Hence, to relieve from attention or effort; to ease; to recreate; to divert; as, amusement relaxes the mind.
  • (n.) To relieve from constipation; to loosen; to open; as, an aperient relaxes the bowels.
  • (v. i.) To become lax, weak, or loose; as, to let one's grasp relax.
  • (v. i.) To abate in severity; to become less rigorous.
  • (v. i.) To remit attention or effort; to become less diligent; to unbend; as, to relax in study.
  • (n.) Relaxation.
  • (a.) Relaxed; lax; hence, remiss; careless.

Example Sentences:

  • (1) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
  • (2) Arteries treated with atrial natriuretic peptide showed no alterations in relaxation or cGMP content after incubation with pertussis toxin.
  • (3) For dental procedures requiring tracheal intubation, one could perhaps use non-depolarizing muscle relaxants, like pancuronium, with reversal at the end of the procedure.
  • (4) In in vitro preparations GABA (10(-7) - 10(-3) M) elicited a dose-dependent relaxation; a decrease in the spontaneous contractions was sometimes observed.
  • (5) Anaesthesia was achieved by a mixture of oxygen, nitrous oxide and fluothane without use of muscle relaxants.
  • (6) A more accurate fit of T1 data using a modified Lipari and Szabo approach indicates that internal fast motions dominate the T1 relaxation in glycogen.
  • (7) Endothelium-dependent relaxations to acetylcholine and endothelium-independent relaxations to nitric oxide were observed in rings from both strains during contraction with endothelin.
  • (8) Relaxation situations are marked by relaxation, usually after a meal.
  • (9) The rabbits were either breathing spontaneously or were ventilated by a phrenic nerve-controlled servorespirator without the use of muscle relaxants.
  • (10) For each RG patient, two sex, age, and initial diastolic blood pressure (DBP) matched controls were found, obtaining thus a control group (CG) consisting of 70 hypertensive patients who were not participating in any relaxation program.
  • (11) Under the condition in which ryanodine (10-100 microM) treatment was found to cause the SR to be nonfunctional, pinacidil relaxation DRC remained unaltered, suggesting a lack of a stimulatory effect of pinacidil on SR Ca++ accumulation.
  • (12) 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.
  • (13) Trimazosin at the dose used and under the conditions of study did not reverse the peripheral pressor effect of angiotensin II or B-HT920 but at higher concentrations, unlike prazosin, it relaxed the K+ contracted thoracic aorta.
  • (14) The relaxations in response to a nonreceptor-mediated endothelium-dependent vasodilator, A23187, and an endothelium-independent vasodilator, sodium nitroprusside, were not different between normal and diabetic aortas.
  • (15) Nitric oxide (NO) is a major component of endothelium-derived relaxing factor (EDRF) the synthesis of which from L-arginine can be inhibited by NG-monomethyl-L-arginine (L-NMMA).
  • (16) Binding to HSA occurs primarily with the imidazolidine and thiazolidine groups of levamisole as it has been demonstrated by selective changes in the relaxation times and the chemical shifts of the protons attached to the carbon atoms.
  • (17) We conclude that gastric adaptive relaxation remains abnormal in patients with postvagotomy diarrhoea but not in those who are asymptomatic or who have other symptoms.
  • (18) Nitric oxide (NO) induced tetrodotoxin-resistant NANC relaxation, similar to that induced by electrical stimulation or acetylcholine (ACh).
  • (19) Treatment of bacterial cells with inhibitors of gyrase at high concentration leads to relaxation of DNA supercoils, presumably through interference with the supercoiling activity of gyrase.
  • (20) The kinetics of extracellular neutral proteinase synthesis by an isogenic stringent (IS58) and a relaxed (IS56) strain of B. subtilis were compared.

Slack


Definition:

  • (n.) Small coal; also, coal dust; culm.
  • (n.) A valley, or small, shallow dell.
  • (superl.) Lax; not tense; not hard drawn; not firmly extended; as, a slack rope.
  • (superl.) Weak; not holding fast; as, a slack hand.
  • (superl.) Remiss; backward; not using due diligence or care; not earnest or eager; as, slack in duty or service.
  • (superl.) Not violent, rapid, or pressing; slow; moderate; easy; as, business is slack.
  • (adv.) Slackly; as, slack dried hops.
  • (n.) The part of anything that hangs loose, having no strain upon it; as, the slack of a rope or of a sail.
  • (a.) Alt. of Slacken
  • (v. t.) Alt. of Slacken

Example Sentences:

  • (1) It arguably became too comfortable for Rodgers' team, with complacency and slack defending proving a dangerous brew.
  • (2) October 23, 2013 And on unemployment: The recent reduction in the unemployment rate [to 7.7%] indicated that slack in the economy was, as anticipated, being eroded as activity picked up.
  • (3) The press secretary sitting in on the interview looks slack-jawed with shock.
  • (4) Aside from a couple of slack passes early on, there has been no hint of an Italian breakthrough and the Ticos have carried a threat going forward.
  • (5) Chelsea simply cannot afford to be so slack in possession.
  • (6) Experiments were performed to determine the influence of sarcomere length and passive tension on the velocity of unloaded shortening (Vu) as measured by the slack test technique.
  • (7) The irradiated grafts relaxed less and generated less slack length in the drip environment than the nonirradiated controls.
  • (8) Executives from companies including Twitter, Netflix and Slack made donations of the $6,000 legal limit, according to campaign finance reports filed on Tuesday.
  • (9) Unloaded shortening velocity obtained from length steps of different magnitude (slack test) also showed a gradual decrease after the release, consistent with the isotonic release results.
  • (10) The narrative drivers are pretty slack – improbable dialogue ("I'm a very wealthy man, Miss Steele, and I have expensive and absorbing hobbies"); lame characterisation; irritating tics (a constant war between Steele's "subconscious", which is always fainting or putting on half-moon glasses, and her "inner goddess", who is forever pouting and stamping); and an internal monologue that goes like this … "Holy hell, he's hot!
  • (11) That's great that you're able to pick up the slack.'
  • (12) By taking up the slack in the economy – millions of people are underemployed, working fewer hours than they wish – Britain could enjoy fast catch-up growth of the kind it experienced as it recovered from the Great Depression: between 1933 and 1936 UK growth exceeded 4% per year, fuelled by a house building boom.
  • (13) Then I had to wait for God knows how long until Will Adamsdale wheeled it out again for the stragglers, and when he did, I rolled up and watched slack-jawed.
  • (14) The effect of the enzyme collagenase (40-200 units-ml-1) on the spontaneous mechanical activity in vitro and on the fine structure of the activity of the taenia was enhanced both in the isometric and isotonic recordings; after several minutes the muscles became slack or elongated to up to twice their resting lengths.
  • (15) But despite a rapid fall in unemployment – forecast to tumble to 6.3%, the IMF said there was still slack in the labour market.
  • (16) Quique Sánchez Flores: Watford interested in Andros Townsend Read more Watford were uncharacteristically slack, leaving the head coach, Quique Sánchez Flores, to admit “we were not competitive”.
  • (17) Improved estimates of Vu in living fibres were obtained by photographically calibrating the slack test.
  • (18) This complication was caused by certain circumstances: 1. unnoticed perforation of oesophagus, 2. open tube, 3. inspiration against resistance, 4. tube tip placed in slack connective tissue.
  • (19) Alas we fear season three might mean more slouchy tees and boot-cut slacks.
  • (20) Because there is plenty of slack in the labour market and investment needs to increase.