(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.
Scree
Definition:
(n.) A pebble; a stone; also, a heap of stones or rocky debris.
Example Sentences:
(1) This object was at precisely the point where Mallory and Irvine would have fallen had they rolled on over the scree slopes."
(2) Even as bits of the science lab were claimed by the waves, he would have been insisting on the impending success of his facilities renewal plan, or blaming a lack of commitment in the scree.
(3) Then the anti-depressants wear off and it's scree slopes, boulders and cloud, up to the huge golden Madonna statue at the top of the pass, where walkers start saying buon giorno!
(4) That’s a boat of refugees, and it’ll arrive on this side in about 15 minutes.” And sure enough, it does, leaving its 50-odd Afghan and Pakistani passengers to haul themselves up a craggy scree to reach the road above.
(5) From her viewpoint, David Davis, Liam Fox and Mr Johnson are all satisfactorily engaged in jousting among themselves and trying to run up a political scree slope rather than plotting to bring her down.
(6) The first mass blood pressure screeing in a major metropolitan area was conducted in New Orleans on Aril 28 and 29, 1973.
(7) The lifeless lunar surface (“tod” is German for “dead”) is bare but for heaps of building material and the wooden deck of a ski bar which lies marooned amid the scree.
(8) The scree test was applied to decide on the number of factors to extract.
(9) The quality of care rendered in the screeing clinic was assessed through patient interviews, physician interviews, and record reviews.
(10) As judged by the scree test, seven factors accounted for the personality disorder items, and five factors accounted for the symptom items.
(11) The final length of the ridgeline stands as a rocky comb of shale against the sky, dropping down on either side to wide scree slopes and rocky bluffs and nothing.
(12) The factor analysis in particular revealed that the scree test by Cattell (1966) demonstrated a large, dramatic discontinuity in eigen-values and suggested that there was only one systematic factor.
(13) The drawings are still accurate: the rocks and screes, barns and walls are all still there.
(14) Guidelines and suggestions for mass screeings are described for use by medical groups or agencies.
(15) The heavenly scent of wild sage, thyme and spring flowers tempered the descent along tricky scree.
(16) As the daylight ebbed, the road became more and more terrifying – grey scree crumbling away at the edges, as we climbed up the mountain.
(17) The scree test was applied to decide on the number of factors to retain.
(18) The same data were collected during a screeing phase in which all patients presenting with a complaint of low back pain were referred directly to the physical therapist for primary evaluation.
(19) Therefore, all items had to be analyzed using the method of analysis of factors (mean components, varimax rotation, Scree-test).
(20) "I was scanning the face from base camp through a high-powered telescope last year," his letter read, "when I saw something queer in a gully below the scree shelf.