(n.) The substitution of one root vowel for another, thus indicating a corresponding modification of use or meaning; vowel permutation; as, get, gat, got; sing, song; hang, hung.
Example Sentences:
Gradation
Definition:
(n.) The act of progressing by regular steps or orderly arrangement; the state of being graded or arranged in ranks; as, the gradation of castes.
(n.) The act or process of bringing to a certain grade.
(n.) Any degree or relative position in an order or series.
(n.) A gradual passing from one tint to another or from a darker to a lighter shade, as in painting or drawing.
(n.) A diatonic ascending or descending succession of chords.
(v. t.) To form with gradations.
Example Sentences:
(1) With grievous amazement, never self-pitying but sometimes bordering on a sort of numbed wonderment, Levi records the day-to-day personal and social history of the camp, noting not only the fine gradations of his own descent, but the capacity of some prisoners to cut a deal and strike a bargain, while others, destined by their age or character for the gas ovens, follow "the slope down to the bottom, like streams that run down to the sea".
(2) A gradation in steady-state cyclic guanosine 3',5'-monophosphate (cGMP) levels was observed in incubated slices of these tissues (inner medula greater than outer medulla greater than cortex).
(3) In a multivariate Cox model analysis, the independent correlates of long-term survival were emergent operation with cardiogenic shock (multivariate mortality rate ratio [RR] = 14.0), use of a postoperative intraaortic balloon pump (RR = 3.9), ejection fraction less than 50% (RR = 2.4), preoperative history of congestive heart failure (RR = 2.2), cardiopulmonary bypass time (RR = 1.4 for each 30-minute increment), uncorrected mitral regurgitation (RR = 1.5 for each increment of angiographic gradation), left main coronary artery narrowing (RR = 1.7) and diabetes (RR = 1.6).
(4) To compare this staining with the occurrence of NSE in serum, a histological staining index (HSI) was established by semiquantitative gradation of the staining.
(5) The structural differences are a result of adaptations which allow gradations in mechanical output to be achieved.
(6) Also examined was the gradation of attention effects on efferent modulation demonstrated in animals but never studied in humans.
(7) Results indicate support for the 'coping hypothesis' of post-injury psychological deficits, although effects consistent with a 'gradations of severity' hypothesis were also present.
(8) Immunoglobulin (Ig) A, IgG1, AND IgG2 were detected in the gastrointestinal secretions, with an apparent gradation in stability (IgA greater than IgG1 greater than IgG2) under the conditions investigated.
(9) Thus it appears that there is a gradation of radiation damage to the hypothalamic-pituitary axis which is dependent primarily on the dose received rather than the time interval after radiotherapy.
(10) Histopathologic changes corresponded to the clinical gradation of endophthalmitis, including progressive retinal necrosis.
(11) Adenosine triphosphatase, 5'-nucleotidase, acid phosphatase and nonspecific esterase show continuous gradations of enzyme activity.
(12) • "I made a mistake by allowing myself to get drawn into a great long argument about exactly what the gradations of rape were."
(13) The experimental evidence indicates that gap genes could be responsible for both of these effects: they activate the pair-rule system asymmetrically and, when first expressed, generate a sufficiently complex landscape of concentration peaks and gradations to provide the local cues needed to correctly position and align the pair-rule stripes.
(14) Cell kinetically, urothelial carcinomas yield similar gradations.
(15) Standardized gradations of pain and function showed improvement over-all, but significant impairment remained.
(16) The authors came to the conclusion on the usefulness of such method of identification of the stomatologic material shades and even of the intermediate gradations of these shades.
(17) This latter finding emphasizes the importance of recruitment and especially synchronization of motor unit activity to the gradation of output tension.
(18) The highest row of OHC stereocilia is known to show an orderly gradation in height along the length of the cochlea.
(19) The cells of the plasmacytic category also showed fine gradations from plasmablasts to typical mature plasma cells.
(20) Replacement of Phe-82 in yeast iso-1-cytochrome c with Tyr, Leu, Ile, Ser, Ala, and Gly produces a gradation of effects on (1) the reduction potential of the protein, (2) the rate of reaction with Fe(EDTA)2-, and (3) the CD spectra of the ferricytochromes in the Soret region under conditions where contributions from the alkaline forms of these proteins are absent.