(prep.) Abreast; opposite to; facing; towards; as, against the mouth of a river; -- in this sense often preceded by over.
(prep.) From an opposite direction so as to strike or come in contact with; in contact with; upon; as, hail beats against the roof.
(prep.) In opposition to, whether the opposition is of sentiment or of action; on the other side; counter to; in contrariety to; hence, adverse to; as, against reason; against law; to run a race against time.
(prep.) By of before the time that; in preparation for; so as to be ready for the time when.
Example Sentences:
Contrast
Definition:
(v. i.) To stand in opposition; to exhibit difference, unlikeness, or opposition of qualities.
(v. t.) To set in opposition, or over against, in order to show the differences between, or the comparative excellences and defects of; to compare by difference or contrariety of qualities; as, to contrast the present with the past.
(v. t.) To give greater effect to, as to a figure or other object, by putting it in some relation of opposition to another figure or object.
(n.) The act of contrasting, or the state of being contrasted; comparison by contrariety of qualities.
(n.) Opposition or dissimilitude of things or qualities; unlikeness, esp. as shown by juxtaposition or comparison.
(n.) The opposition of varied forms, colors, etc., which by such juxtaposition more vividly express each other's peculiarities.
Example Sentences:
(1) In contrast, DNA polymerase alpha, the enzyme involved in chromosomal DNA replication, was relatively insensitive to CA1.
(2) In contrast, arteries which were exposed to CO showed a higher uptake of cholesterol as compared to their corresponding control.
(3) In contrast, resting cells of strain CHA750 produced five times less IAA in a buffer (pH 6.0) containing 1 mM-L-tryptophan than did resting cells of the wild-type, illustrating the major contribution of TSO to IAA synthesis under these conditions.
(4) 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.
(5) Multiple overlapping thin 3D slab acquisition is presented as a magnitude contrast (time of flight) technique which combines advantages from multiple thin slice 2D and direct 3D volume acquisitions to obtain high-resolution cross-sectional images of vessel detail.
(6) Among the migrants from the regions with contrasting climatic conditions.
(7) In contrast, the effects of deltamethrin and cypermethrin promote transmitter release by a Na+ dependent process.
(8) In contrast to L2 and L3 in L1 the mid gut runs down in a straight line without any looping.
(9) The use of glucagon in double-contrast studies of the colon has been recommended for various reasons, one of which is to facilitate reflux of barium into the terminal ileum.
(10) To determine the accuracy of double-contrast arthrography in complete rotator cuff tears, we studied 805 patients thought to have a complete rotator cuff tear who had undergone double-contrast shoulder arthrography (DCSA) between 1978 and 1983.
(11) High levels of spirochetes also were detected in diseased sites with phase-contrast microscopy.
(12) TR was classified as follows: severe (massive systolic opacification and persistence of the microbubbles in the IVC for at least 20 seconds); moderate (moderate systolic opacification lasting less than 20 seconds); mild (slight systolic opacification lasting less than 10 seconds); insignificant TR (sporadic appearance of the contrast medium into the IVC).
(13) In contrast, HEL antigen requires metabolically active cells for both of these processes.
(14) In contrast, idiopathic GH deficient girls have an onset of puberty and PHV nearer to a normal chronological age and at an early bone age.
(15) In contrast, human breast milk contained substantially increased levels of immunoreactive PTHrP.
(16) In contrast, in those subjects with chronic non-migrainous headache, the administration of piribedil had no effect.
(17) In contrast with oligodendrocytes, [Cl-]i in astrocytes is significantly increased (from 20 to 40 mM) above the equilibrium distribution owing to the activity of an inward directed Cl- pump; this suggests a different mechanism of K+ uptake in these cells.
(18) In contrast, the ryanodine receptor is observed in dendritic shafts, but not in the spines.
(19) In contrast sham-hemodialysis in group CA and group PS, respectively, did not result in significant increases in amino acid efflux from the leg implying that the protein catabolic effect of blood membrane contact depends on the chemical properties of dialysis membranes.
(20) In contrast, the association of serum cholesterol with mortality due to causes other than coronary heart disease changed during follow-up (interaction of cholesterol with follow-up period: p = 0.004).