What's the difference between level and plain?

Level


Definition:

  • (n.) A line or surface to which, at every point, a vertical or plumb line is perpendicular; a line or surface which is everywhere parallel to the surface of still water; -- this is the true level, and is a curve or surface in which all points are equally distant from the center of the earth, or rather would be so if the earth were an exact sphere.
  • (n.) A horizontal line or plane; that is, a straight line or a plane which is tangent to a true level at a given point and hence parallel to the horizon at that point; -- this is the apparent level at the given point.
  • (n.) An approximately horizontal line or surface at a certain degree of altitude, or distance from the center of the earth; as, to climb from the level of the coast to the level of the plateau and then descend to the level of the valley or of the sea.
  • (n.) Hence, figuratively, a certain position, rank, standard, degree, quality, character, etc., conceived of as in one of several planes of different elevation.
  • (n.) A uniform or average height; a normal plane or altitude; a condition conformable to natural law or which will secure a level surface; as, moving fluids seek a level.
  • (n.) An instrument by which to find a horizontal line, or adjust something with reference to a horizontal line.
  • (n.) A measurement of the difference of altitude of two points, by means of a level; as, to take a level.
  • (n.) A horizontal passage, drift, or adit, in a mine.
  • (a.) Even; flat; having no part higher than another; having, or conforming to, the curvature which belongs to the undisturbed liquid parts of the earth's surface; as, a level field; level ground; the level surface of a pond or lake.
  • (a.) Coinciding or parallel with the plane of the horizon; horizontal; as, the telescope is now level.
  • (a.) Even with anything else; of the same height; on the same line or plane; on the same footing; of equal importance; -- followed by with, sometimes by to.
  • (a.) Straightforward; direct; clear; open.
  • (a.) Well balanced; even; just; steady; impartial; as, a level head; a level understanding. [Colloq.]
  • (a.) Of even tone; without rising or falling inflection.
  • (v. t.) To make level; to make horizontal; to bring to the condition of a level line or surface; hence, to make flat or even; as, to level a road, a walk, or a garden.
  • (v. t.) To bring to a lower level; to overthrow; to topple down; to reduce to a flat surface; to lower.
  • (v. t.) To bring to a horizontal position, as a gun; hence, to point in taking aim; to aim; to direct.
  • (v. t.) Figuratively, to bring to a common level or plane, in respect of rank, condition, character, privilege, etc.; as, to level all the ranks and conditions of men.
  • (v. t.) To adjust or adapt to a certain level; as, to level remarks to the capacity of children.
  • (v. i.) To be level; to be on a level with, or on an equality with, something; hence, to accord; to agree; to suit.
  • (v. i.) To aim a gun, spear, etc., horizontally; hence, to aim or point a weapon in direct line with the mark; fig., to direct the eye, mind, or effort, directly to an object.

Example Sentences:

  • (1) Cancer patients showed abnormally high plasma free tryptophan levels.
  • (2) Similar experimental manipulation has yielded in vitro lines established from avian B-cell lymphomas expressing elevated levels of c-myc or v-rel.
  • (3) Multiple stored energy levels were randomly tested and the percent successful defibrillation was plotted against the stored energy, and the raw data were fit by logistic regression.
  • (4) Serum levels of both dihydralazine and metabolites were very low and particularly below the detection limit.
  • (5) Carbon dioxide (CO2) levels, volumes, and temperatures of expired gas were measured from the tracheal and esophageal tubes.
  • (6) Since fingernail creatinine (Ncr) reflects serum creatinine (Scr) at the time of nail formation, it has been suggested that Ncr level might represent that of Scr around 4 months previously.
  • (7) Disease stabilisation was associated with prolonged periods of comparatively high plasma levels of drug, which appeared to be determined primarily by reduced drug clearance.
  • (8) The significance of minor increases in the serum creatinine level must be recognized, so that modifications of drug therapy can be made and correction of possibly life-threatening electrolyte imbalances can be undertaken.
  • (9) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
  • (10) LHRH therapy leads to higher plasma LH levels and a lower FSH in response to an intravenous LHRH test.
  • (11) On the other hand, the LAP level, identical in preterms and SDB, is lower than in full-term infants but higher than in adults.
  • (12) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
  • (13) Together these results suggest that IVC may operate as a selective activator of calpain both in the cytosol and at the membrane level; in the latter case in synergism with the activation induced by association of the proteinase to the cell membrane.
  • (14) Participants (n=165) entering a week-long outpatient education program completed a protocol measuring self-care patterns, glycosylated hemoglobin levels, and emotional well-being.
  • (15) Measurement of the intraspinal monoamine level revealed a decrease in the intraspinal norepinephrine level in the treated animals.
  • (16) The level of gadd45 mRNA increased rapidly after X rays at doses as low as 2 Gy.
  • (17) Irrespective of the type of arthropathy, synovial fluid dialysable hydroxyproline levels correlate with urinary hydroxyproline excretion.
  • (18) This induction is sensitive to actinomycin D but not to protein synthesis inhibitor puromycin, indicating an effect of estradiol at the transcriptional level, possibly mediated by the estrogen receptor.
  • (19) Quantitative determinations indicate that the amount of PBG-D mRNA is modulated both by the erythroid nature of the tissue and by cell proliferation, probably at the transcriptional level.
  • (20) This new observation offers good possibilities to study the metabolism of tryptophan at the cellular level.

Plain


Definition:

  • (v. i.) To lament; to bewail; to complain.
  • (v. t.) To lament; to mourn over; as, to plain a loss.
  • (superl.) Without elevations or depressions; flat; level; smooth; even. See Plane.
  • (superl.) Open; clear; unencumbered; equal; fair.
  • (superl.) Not intricate or difficult; evident; manifest; obvious; clear; unmistakable.
  • (superl.) Void of extraneous beauty or ornament; without conspicious embellishment; not rich; simple.
  • (superl.) Not highly cultivated; unsophisticated; free from show or pretension; simple; natural; homely; common.
  • (superl.) Free from affectation or disguise; candid; sincere; artless; honest; frank.
  • (superl.) Not luxurious; not highly seasoned; simple; as, plain food.
  • (superl.) Without beauty; not handsome; homely; as, a plain woman.
  • (superl.) Not variegated, dyed, or figured; as, plain muslin.
  • (superl.) Not much varied by modulations; as, a plain tune.
  • (adv.) In a plain manner; plainly.
  • (a.) Level land; usually, an open field or a broad stretch of land with an even surface, or a surface little varied by inequalities; as, the plain of Jordan; the American plains, or prairies.
  • (a.) A field of battle.
  • (v.) To plane or level; to make plain or even on the surface.
  • (v.) To make plain or manifest; to explain.

Example Sentences:

  • (1) Findings on plain X-ray of the abdomen, using the usual parameters of psoas and kidney shadows in the Nigerian, indicate that the two communities studied are similar but urinary calculi and urinary tract distortion are significantly more prominent in the community with the higher endemicity of urinary schistosomiasis.
  • (2) Plain radiographs should be the initial screening modality for a suspected foreign body.
  • (3) The radiologic findings on conventional examinations (plain films and cholangiograms) in a large group of patients with proven hepatobiliary tuberculosis are reviewed.
  • (4) In a double-blind trial, 50 patients with subcostal incisions performed for cholecystectomy or splenectomy, received 10 ml of either 0.5% bupivacaine plain or physiological saline twice daily by wound perfusion through an indwelling drainage tube for 3 days after operation.
  • (5) In conjunction with the development of a computerized goal-oriented record system at Forest Hospital Des Plaines, Illinois, research staff developed a psychiatric goal list from goal statements most frequently used at the hospital.
  • (6) These patients will generally require a plain roentgenographic examination with subsequent scintography, MRI, CT, laboratory work, and biopsy as indicated by any positive findings during the diagnostic work-up.
  • (7) The ultrasonographic features, the findings of plain abdominal X-ray studies, and of intravenous urography are described.
  • (8) CZP reduced the incidence of convulsions only after the larger dose, but plain solvent (propylene glycol, ethanol, water) was equally effective.
  • (9) Forty-six percent of the plain abdominal radiographs were suspected for cecal volvulus, but only 17 percent were diagnostic.
  • (10) But perhaps the most striking example of how differently much of the world sees London – and the importance of religion – from the way the city plainly sees itself came from the US, where Donald Trump caused uproar with a call for a temporary ban on Muslims entering the country.
  • (11) Shenhua Watermark Coal, a subsidiary of the Chinese state-owned Shenhua Group, is waiting for final approval from Hunt for a $1.2bn open-cut coalmine on the edge of the plains, a little more than three kilometres from Hamparsum’s property.
  • (12) Plain-film chest radiographs subsequently demonstrated mediastinal masses causing extrinsic tracheal compression.
  • (13) Tension pneumocephalus was diagnosed by computed tomography (CT) scan and plain skull X-ray.
  • (14) This time, the syndrome was observed on adult cattle reared in the Accra Plains (Ghana) and infected by S. typhimurium.
  • (15) Plain abdominal radiography demonstrated calcification in three patients and evidence of Thorotrast (thorium dioxide) deposition in one.
  • (16) The absence of a visible fracture on plain skull radiographs does not exclude a fracture, and those patients with clinical signs of a fracture should be treated appropriately and further investigations performed.
  • (17) The success of correction was evaluated on plain radiographs using A P and "false profile" views as well as by CT.
  • (18) (7) Histologically, in the chick, the wall of the truncus and the conus contain cardiac muscle as late as stage 28, but from then on the walls of the truncus are transformed into connective tissue and plain muscle.
  • (19) The tumor was palpable on physical examination, but not apparent on plain radiographs.
  • (20) Trout fishing is excellent in both, and after they fall over the edge of the Piedmont Plateau to the Atlantic Coastal Plain, the lower stretches of both waterways boil into class-2 and -3 whitewater for kayakers and canoeists.