(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.
Rate
Definition:
(v. t. & i.) To chide with vehemence; to scold; to censure violently.
(n.) Established portion or measure; fixed allowance.
(n.) That which is established as a measure or criterion; degree; standard; rank; proportion; ratio; as, a slow rate of movement; rate of interest is the ratio of the interest to the principal, per annum.
(n.) Valuation; price fixed with relation to a standard; cost; charge; as, high or low rates of transportation.
(n.) A tax or sum assessed by authority on property for public use, according to its income or value; esp., in England, a local tax; as, parish rates; town rates.
(n.) Order; arrangement.
(n.) Ratification; approval.
(n.) The gain or loss of a timepiece in a unit of time; as, daily rate; hourly rate; etc.
(n.) The order or class to which a war vessel belongs, determined according to its size, armament, etc.; as, first rate, second rate, etc.
(n.) The class of a merchant vessel for marine insurance, determined by its relative safety as a risk, as A1, A2, etc.
(v. t.) To set a certain estimate on; to value at a certain price or degree.
(v. t.) To assess for the payment of a rate or tax.
(v. t.) To settle the relative scale, rank, position, amount, value, or quality of; as, to rate a ship; to rate a seaman; to rate a pension.
(v. t.) To ratify.
(v. i.) To be set or considered in a class; to have rank; as, the ship rates as a ship of the line.
(v. i.) To make an estimate.
Example Sentences:
(1) Child benefit has already been withdrawn from higher rate taxpayers.
(2) There was appreciable variation in toothbrush wear among subjects, some reducing their brush to a poor state in 2 weeks whereas with others the brush was rated as "good" after 10 weeks.
(3) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(4) Propranolol resulted in a significantly lower mean hourly, mean 24 h and minimum heart rate.
(5) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
(6) A study of factors influencing genetic counseling attendance rate has been conducted in the Bouches-du-Rhône area, in the south of France.
(7) In this article we report the survival and morbidity rates for all live-born infants weighing 501 to 1000 gram at birth and born to residents of a defined geographic region from 1977 to 1980 (n = 255) compared with 1981 to 1984 (n = 266).
(8) Life expectancy and the infant mortality rate are considered more useful from an operational perspective and for comparisons than is the crude death rate because they are not influenced by age structure.
(9) Heart rate (HR), pulmonary ventilation (V), oxygen consumption (VO2), carbon dioxide production (VCO2), and respiratory quotient (RQ) were measured.
(10) By combined histologic and cytologic examinations, the overall diagnostic rate was raised to 87.7%.
(11) In contrast to previous reports, these tumours were more malignant than osteosarcomas and showed a five-year survival rate of only 4-2 per cent.
(12) A progressively more precise approach to identifying affected individuals involves measuring body weight and height, then energy intake (or expenditure) and finally the basal metabolic rate (BMR).
(13) The second amino acid residue influences not only the rate of reaction but also the extent of formation of the product of the Amadori rearrangement, the ketoamine.
(14) Increased infusion flow rate did not increase the limiting frequency.
(15) The main finding of this study is that diabetic adolescents with a high erythrocyte Na,Li countertransport rate have an arterial pressure significantly higher than patients with normal Na,Li countertransport fluxes.
(16) This clinical improvement was also associated with a decrease of erythrocyte sedimentation rate (p less than 0.001), decrease of C-reactive protein (p less than 0.0001) and with improvement of anaemia (p less than 0.05).
(17) This difference is probably secondary to the different rates of delivery of furosemide into urine.
(18) Under blood preservation conditions the difference of the rates of ATP-production and -consumption is the most important factor for a high ATP-level over long periods.
(19) There is no evidence that health-maintenance organizations reduce admissions in discretionary or "unnecessary" categories; instead, the data suggest lower admission rates across the board.
(20) Male sex, age under 19 or over 45, few social supports, and a history of previous suicide attempts are all factors associated with increased suicide rates.