What's the difference between placid and smooth?

Placid


Definition:

  • (a.) Pleased; contented; unruffied; undisturbed; serene; peaceful; tranquil; quiet; gentle.

Example Sentences:

  • (1) The Ss became extremely placid and tame or were profoundly depressed in their overall behavior most of the time.
  • (2) Infants in the third quartile were fussy at the commencement of the period and became gradually more placid from the fifth week of life.
  • (3) I vote for who I want.” embed The Guardian asked Placide, who was naturalized as an American citizen in 1990 and who works an evening shift for a nursing agency to put her two children through college, whether she thought Trump had made America great again.
  • (4) There are vast areas in which my peaceful indifference to what Amazon is and does can only be surpassed by Amazon’s presumably equally placid indifference to what I say and do.
  • (5) "A lot of teens in the early noughties were taking ketamine, which was a very placid, down drug that kept you in your own zone.
  • (6) As our car crawls through central London, from WPP's Mayfair head office to Millbank, where Sorrell is to sit on a panel, the dog sits placidly in the back, lolling its head in the sun.
  • (7) One personality was irritable and hostile, the other placid; in each case, a major seizure preceded the shift from the former to the latter.
  • (8) Even Angela Merkel of Germany, that placid sheet anchor of European stability, faces grassroots challenges from left and right.
  • (9) Read today's Rumour Mill here 9.23am BST Germany's Per Mertesacker is a pretty placid guy off the pitch, so when he gets shirty with a journalist you know he's had a long day.
  • (10) Do we just placidly accept their ideologically driven desire to drive back the frontiers of the state, to cut and privatise?
  • (11) And I don’t think I have ever achieved that almost pastoral Christmas nirvana, always promoted in tinselly TV ads, of just sitting placidly around after Christmas lunch and then smilingly responding as one’s child shows you a present without complaining or demanding anything.
  • (12) Were this just the froth of diehard Brexiteers at an otherwise placid time, we’d move on faster than you could say “ Bill Cash” .
  • (13) They need to get it done.” Facebook Twitter Pinterest Marie Claire Placide, a dress shop owner and fashion designer, in Bangor, Pennsylvania.
  • (14) Aisikaier's life at the park is placid, if not slightly purgatorial.
  • (15) He wanted so much to convince his mates that he really had spied a miracle and to make sure that his normally placid mind had not fallen victim of some strange figment of the imagination, a confidence trick, a sudden mirage brought on by the unrelenting rays of the sun.'
  • (16) Danny Rynne, a scaffolder from Enfield, described Mahmoud as “lovely” and “placid”.
  • (17) After suffering a carbon monoxide intoxication, a thirty-nine-year-old patient presented a marked behavioral change, with a severe anterograde and retrograde amnesia, extreme placidity, bulimia, and hypersexuality.
  • (18) They noticed that 19 of the 20 patients were mentally slower; 11 were markedly aggressive and 8 had become placid and uncaring about family problems.
  • (19) By way of contrast to events earlier in the tour, where large crowds have turned out, the duke and duchess were greeted sedately by the islanders who brought out picnic chairs and sat placidly waiting on the grass verges at the side of the road leading from the airport to the tiny capital, Charlottetown.
  • (20) The great majority of the infants were very placid.

Smooth


Definition:

  • (superl.) Having an even surface, or a surface so even that no roughness or points can be perceived by the touch; not rough; as, smooth glass; smooth porcelain.
  • (superl.) Evenly spread or arranged; sleek; as, smooth hair.
  • (superl.) Gently flowing; moving equably; not ruffled or obstructed; as, a smooth stream.
  • (superl.) Flowing or uttered without check, obstruction, or hesitation; not harsh; voluble; even; fluent.
  • (superl.) Bland; mild; smoothing; fattering.
  • (superl.) Causing no resistance to a body sliding along its surface; frictionless.
  • (adv.) Smoothly.
  • (n.) The act of making smooth; a stroke which smooths.
  • (n.) That which is smooth; the smooth part of anything.
  • (a.) To make smooth; to make even on the surface by any means; as, to smooth a board with a plane; to smooth cloth with an iron.
  • (a.) To free from obstruction; to make easy.
  • (a.) To free from harshness; to make flowing.
  • (a.) To palliate; to gloze; as, to smooth over a fault.
  • (a.) To give a smooth or calm appearance to.
  • (a.) To ease; to regulate.
  • (v. i.) To flatter; to use blandishment.

Example Sentences:

  • (1) These immunocytochemical studies clearly demonstrated that cells encountered within the fibrous intimal thickening in the vein graft were inevitably smooth muscle cell in origin.
  • (2) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
  • (3) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
  • (4) Peripheral eosinocytes increased by 10%, and tests for HBsAg, antiHBs, antimitochondrial antibody and anti-smooth muscle antibody were all negative.
  • (5) After vascular injury, smooth muscle cells proliferate, reaching a maximum rate at day 2.
  • (6) Recent studies have shown that an aberration in platelet-derived growth factor gene expression is unlikely to be a factor in proliferation of smooth-muscle cells.
  • (7) The Ta loop was a smooth, elongated ellipse in configuration and showed clockwise rotation in all planes, as did the P loop.
  • (8) This series of tests included tests for pathologic nystagmus, saccades, smooth pursuit, and optokinetic nystagmus, as well as bithermal caloric testing and rotational testing.
  • (9) It inhibits platelet and vascular smooth muscle activation by cGMP-dependent attenuation of the agonist-induced rise of intracellular free Ca2+.
  • (10) It is concluded that a Na-H antiport system in vascular smooth muscle regulates Na influx rate, contributes to intracellular pH regulation and influences basal levels of Na,K-pump activity.
  • (11) By 30 min after insemination, the surface of the egg is relatively smooth.
  • (12) An electrogenic sodium-potassium pump appears to contribute materially to the steady-state potential and to certain of the transient potential responses of vascular smooth muscle.
  • (13) Distribution patterns of phosphatidylserine and phosphatidylinositol in the smooth muscle as well as in the mucosa were different from those in the liver.
  • (14) Ultrastructural study of the uterine lesion demonstrated smooth muscle cells with only a few "autophagic" facuoles to cells nearly replaced by lysosomes.
  • (15) These early hyperplastic lesions revealed stellate-shaped dilated bile canaliculi lined by blebs and abnormally thick elongated microvilli, a decreased number of microvilli on the sinusoidal surface, a marked increase in smooth endoplasmic reticulum, large nucleoli, and bundles of pericanalicular microfilaments.
  • (16) We conclude that once daily doxazosin provides smooth and effective blood pressure control throughout a 24 h post-dose period.
  • (17) It is suggested that contractile responses to electrical stimulation in isolated sheep urethral smooth muscle are mediated by the sympathetic nervous system, mainly through release of noradrenaline stimulating postjunctional alpha 1-adrenoceptors.
  • (18) Four fractions enriched, respectively, in plasma membrane (PM), smooth endoplasmic reticulum (SER), rough endoplasmic reticulum (RER), and mitochondria were isolated from estrogen-dominated rat myometrium.
  • (19) From the findings of this study the authors recommend wide excision of colorectal smooth-muscle tumours whenever there is a suggestion of malignancy.
  • (20) All smooth strains of Brucella bear two lipopolysaccharide (LPS) antigens in a ratio that defines the classification of strains in serovars, A (A greater than M), M (M greater than A) and A.M (A = M).