What's the difference between lightness and weight?

Lightness


Definition:

  • (n.) The state, condition, or quality, of being light or not heavy; buoyancy; levity; fickleness; nimbleness; delicacy; grace.
  • (n.) Illumination, or degree of illumination; as, the lightness of a room.
  • (n.) Absence of depth or of duskiness in color; as, the lightness of a tint; lightness of complexion.

Example Sentences:

  • (1) On Friday night, in a stadium built in an area once deemed an urban wasteland, the flame that has journeyed from Athens to every corner of these islands will light the fire that launches the London Olympics of 2012.
  • (2) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
  • (3) Morphological alterations in the lungs of pheasants after prolonged high-dosage administration of bleomycin sulfate were studied by light and electron microscopy.
  • (4) Light microscopic studies of pancreata from mice sacrificed at this time demonstrated insulitis and beta cell necrosis.
  • (5) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
  • (6) A 66-year-old woman with acute idiopathic polyneuritis (Landry-Guillain-Barré [LGB] syndrome) had normal extraocular movements, but her pupils did not react to light or accommodation.
  • (7) We have examined overlapping octapeptides from the kappa IIIb light chain variable region and show that some framework peptides have the ability to bind aggregated IgG.
  • (8) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
  • (9) The water is embossed with small waves and it has a chill glassiness which throws light back up at the sky.
  • (10) A new type of Escherichia coli mutant which shows increased sensitivity to methyl methane sulfonate but not to UV light or to gamma rays was isolated after mutagenesis with N-methyl-N'-nitro-N-nitrosoguanidine.
  • (11) Approximately 90% of the patients have a lambda light chain myeloma protein and almost all patients excrete Bence-Jones protein.
  • (12) Matthias Müller, VW’s chief executive, said: “In light of the wide range of challenges we are currently facing, we are satisfied overall with the start we have made to what will undoubtedly be a demanding fiscal year 2016.
  • (13) In addition, lightly immunostained cells were distinguished in the caudal portion of the hypothalamic arcuate nucleus, area of tuber cinereum, retrochiasmatic area, and rostral portion of the paraventricular thalamic nucleus after colchicine treatment.
  • (14) Photograph: Guardian The research also compiled data covered by a wider definition of tax haven, including onshore jurisdictions such as the US state of Delaware – accused by the Cayman islands of playing "faster and looser" even than offshore jurisdictions – and the Republic of Ireland, which has come under sustained pressure from other EU states to reform its own low-tax, light-tough, regulatory environment.
  • (15) Using an in vitro culture system, light scatter analyses, and two-color flow cytometry, we provide evidence that the interleukin-2 (IL-2) and transferrin receptors can be induced within 48 hr on nonproliferating immature thymocytes.
  • (16) Photoreactions induced in that proper sensitizer molecules absorb UV-light or visible light.
  • (17) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
  • (18) Three coyotes were operantly conditioned to depress one of two foot treadles, left or right, depending on the condition of the stimulus light.
  • (19) These results are discussed in the light of the mode of action of the substances used.
  • (20) The birds were maintained at a constant temperature in, dim green light.

Weight


Definition:

  • (v. t.) The quality of being heavy; that property of bodies by which they tend toward the center of the earth; the effect of gravitative force, especially when expressed in certain units or standards, as pounds, grams, etc.
  • (v. t.) The quantity of heaviness; comparative tendency to the center of the earth; the quantity of matter as estimated by the balance, or expressed numerically with reference to some standard unit; as, a mass of stone having the weight of five hundred pounds.
  • (v. t.) Hence, pressure; burden; as, the weight of care or business.
  • (v. t.) Importance; power; influence; efficacy; consequence; moment; impressiveness; as, a consideration of vast weight.
  • (v. t.) A scale, or graduated standard, of heaviness; a mode of estimating weight; as, avoirdupois weight; troy weight; apothecaries' weight.
  • (v. t.) A ponderous mass; something heavy; as, a clock weight; a paper weight.
  • (v. t.) A definite mass of iron, lead, brass, or other metal, to be used for ascertaining the weight of other bodies; as, an ounce weight.
  • (v. t.) The resistance against which a machine acts, as opposed to the power which moves it.
  • (v. t.) To load with a weight or weights; to load down; to make heavy; to attach weights to; as, to weight a horse or a jockey at a race; to weight a whip handle.
  • (v. t.) To assign a weight to; to express by a number the probable accuracy of, as an observation. See Weight of observations, under Weight.

Example Sentences:

  • (1) Circuit weight training does not exacerbate resting or exercise blood pressure and may have beneficial effects.
  • (2) Low birth weight, short stature, and mental retardation were common features in the four known patients with r(8).
  • (3) 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).
  • (4) After 55 days of unrestricted food availability the body weight of the neonatally deprived rats was approximately 15% lower than that of the controls.
  • (5) However, there was no correlation between the length of time PN was administered to onset of cholestasis and the gestational age or birth weight of the infants.
  • (6) In animal experiments pharmacological properties of the low molecular weight heparin derivative CY 216 were determined.
  • (7) Type 1 changes (decreased signal intensity on T1-weighted spin-echo images and increased signal intensity on T2-weighted images) were identified in 20 patients (4%) and type 2 (increased signal intensity on T1-weighted images and isointense or slightly increased signal intensity on T2-weighted images) in 77 patients (16%).
  • (8) No associations were found between sex, body-weight, smoking habits, age, urine volume or urine pH and the O-demethylation of codeine.
  • (9) The peak molecular weight never reached that of a complete 2:1 complex.
  • (10) low molecular weight dextran in the course of right heart catheterization.
  • (11) Pituitary weight, mitotic index and chromosomes were studied in male rats following a single or repeated dose of estradiol-benzoate for a total period of 210 days.
  • (12) Maximal yields of lipid and aflatoxin were obtained with 30% glucose, whereas mold growth, expressed as dry weight, was maximal when the medium contained 10% glucose.
  • (13) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
  • (14) The molecular weight of antigen RFB2 was estimated to be approximately 85,000 daltons based on the results of gel filtration on Sepharose CL-6B.
  • (15) The product of the ugpQ gene, expressed in minicells, has an apparent molecular weight of 17,500.
  • (16) There were significant differences in the body weight of control and undernourished rats in each experiment.
  • (17) Milk yield and litter weights were similar but backfat thickness (BF) was greater in 22 C sows (P less than .05) compared to 30 C sows.
  • (18) After 2 weeks the rats were sacrificed and the brain damage evaluated by comparing the weight of the lesioned and unlesioned hemispheres.
  • (19) Preliminary data also suggest that high-molecular-weight rearrangements of the duplicated region are present in all tissues.
  • (20) It reduced serum AP levels, increased serum Ca levels, increased bone ash weight, epiphyseal and metaphyseal bone volume, with a concomitant reduction in epiphyseal and metaphyseal bone marrow volume.

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