(a.) Any heavy substance, as stone, iron, etc., put into the hold to sink a vessel in the water to such a depth as to prevent capsizing.
(a.) Any heavy matter put into the car of a balloon to give it steadiness.
(a.) Gravel, broken stone, etc., laid in the bed of a railroad to make it firm and solid.
(a.) The larger solids, as broken stone or gravel, used in making concrete.
(a.) Fig.: That which gives, or helps to maintain, uprightness, steadiness, and security.
(v. t.) To steady, as a vessel, by putting heavy substances in the hold.
(v. t.) To fill in, as the bed of a railroad, with gravel, stone, etc., in order to make it firm and solid.
(v. t.) To keep steady; to steady, morally.
Example Sentences:
(1) But does this imply that distomers must always be considered as detrimental ballast?
(2) For miles, only the strip of land for the track is dug up, but in places the footprint is much wider: access routes for work vehicles; holding areas for excavated earth; new electricity substations; mounds of ballast prepared for the day when quarries cannot keep pace with the demands of the construction; extra lines for the trains that will lay the track.
(3) That's likely to mean a tweak in set-up – most likely Vidal will play in more of an advanced role, with Silva adding extra ballast in behind him.
(4) They decreased the filtrate turbidity, concentration of the organic ballast, etc.
(5) The general supremacy of classical theory of balanced nutrition entailed the tendency to remove ballast substances from food products.
(6) Two years ago, on a dizzy night in Stratford where it seemed that everyone had forgotten to bring ballast, Greg Rutherford became the Olympic long jump champion .
(7) Fifteen refractive astigmats were fitted with prism ballasted and truncated plano, spherical lenses and prescription toric soft lenses.
(8) Although Mr Binnie did not take passengers, he took ballast to reproduce the weight of two passengers.
(9) There are other substances with properties that might justify their use, such as ballast preparations, some antidepressive agents, and a few compounds acting principally on the gastrointestinal tract.
(10) Reduction of fat and food without ballast reduced the excretion of oxalic acid in urine.
(11) Potentialities of electrochemical procedures were considered in simulation of liver monooxygenases functions directed to clearance of blood and tissues from toxic and ballast substances by means of hydroxylating oxidation.
(12) For instance, shoring up railways to prevent the ballast under the tracks from being swept away is a mammoth job, costing millions.
(13) As a result of a change in attitude of the regulatory authorities, however, for new drugs the choice in future between the racemic therapeutic or the single isomeric ballast-free drug will largely be based on a critical evaluation of the chiral characteristics with regard to their therapeutic, toxicological and pharmacokinetic aspects.
(14) The method to isolate protease preparations is developed with optimization of production cycles of the stabilization, vacuum-concentration, ballast protein salting-out and lyophilization stages.
(15) One of the techniques commonly used in stabilizing the rotation of a contact lens is prism ballasting.
(16) Mr Cameron may have been seeking intellectual ballast and coolness-by-association; the Oxford First ended up looking out of his depth.
(17) The summary preparation stellin along with a low antiheparin activity possessed a high toxicity explained by the content of ballast proteins of the nonprotamin nature.
(18) Therefore, from microecological-physiological aspects it is suggested to expand the term ballast matter by so-called "optional" or "potential" ballast matter (in the small intestine usually digestible but incompletely degraded nutriments) in addition to "obligatory" ballast matter (nutriments not digestible by indigene enzymes).
(19) Ultimately, the use of a Fluoroperm prism-ballasted fitting set resulted in 16 of 17 eyes (94%) seeing well with a front toric lens.
(20) The virus thus purfied retained completely its haemagglutinating activity and infectivity, and by one purification cycle at least 99% of ballast proteins were removed.
Cobblestone
Definition:
(n.) A large pebble; a rounded stone not too large to be handled; a small boulder; -- used for paving streets and for other purposes.
Example Sentences:
(1) With its steep hills and cobblestones, the neighbourhood of São Cristóvão in Ouro Preto isn’t an easy place to play football.
(2) He made his way to a spot on the cobblestones not far from the marble mausoleum housing the waxy corpse of Vladimir Lenin , and began to undress.
(3) Protesters crawl out from the tents they have pitched on the cobblestones and huddle in the cold around makeshift fires, as volunteers distribute hot tea and soup.
(4) Dehydration of walls seemingly caused the cobblestones to be transformed into two bands which continued to be separated by a channel.
(5) A 61-yr-old man with Burkitt's lymphoma who presented with 6 months of diarrhea was found, at ileoscopy, to have inflammation of the mucosal narrow lumen, deep linear ulcerations, and a "cobblestone" appearance of the terminal ileum.
(6) To the amazement of the CRS the students regrouped and fought back, overturning cars, building barricades and digging up cobblestones to use as ammunition.
(7) A 5-year-old Asian-Indian female presented with bilateral cobblestone-like peripheral lesions, a single area of chorioretinal atrophy, infero-nasal to the disc, in her right eye and a non-recordable single flash ERG.
(8) Despite the fact that these cells retain their normal cobblestone appearance, the collagen profile in each case changes over a period of 12 days in culture following confluence, the changes following distinct patterns.
(9) The cells grow with a cobblestone monolayer morphology, possess angiotensin converting enzyme activity and react with antibodies to Factor VIII antigen.
(10) Changes in the significant radiological signs in Crohn's disease, such as spicula, cobblestone pattern, stenoses and fistulas, provide information on the development of the disease and on the effect of treatment.
(11) Sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis of extracts prepared from retinol-treated cells which had undergone a remarkable change in shape (from a cobblestone-like to a spindle-like shape) indicated that the retinol-induced morphological change is accompanied by a marked increase of an 80-kDa protein.
(12) Two men aged respectively of 65 and 28 years presented a cobblestone appearance of the gingiva and of the tongue ("pebbly tongue"), which suggested Cowden disease.
(13) Irregular mosaics, intermediate or cobblestone structures were seen in atypical epithelium.
(14) The endothelial cells thus obtained grew to confluence as a cobblestone-like monolayer and expressed von Willebrand factor antigen.
(15) One cell type exhibited cobblestone-like appearance and remained in the center of the islets whereas the other was more loosely arranged and rapidly left the central area by migration below the cobblestone-like cells to the periphery of the islets.
(16) Endothelial cells seeded on this peptide appeared fibroblastic with many extended processes, unlike the normal cobblestone morphology observed on tissue culture plastic.
(17) Histopathologic findings and percentage of eyes affected, in decreasing order of frequency, were myopic configuration of the optic nerve head, 37.7%; posterior staphyloma, 35.4%; degenerative changes of the vitreous, 35.1%; cobblestone degeneration, 14.3%; myopic degeneration of the retina, 11.4%; retinal detachment, 11.4%; retinal pits, holes, or tears, 8.1%; subretinal neovascularization, 5.2%; lattice degeneration, 4.9%; Fuchs spot, 3.2%; and lacquer cracks, 0.6%.
(18) Although rare, these cases provide evidence that IFs in general are not essential to growth in culture, nor are the keratin-containing IFs in particular necessarily responsible for the 'cobblestone' morphology or colony-type growth pattern characteristic of cultured epithelial cells.
(19) Purity of the endothelial cell cultures from each vascular site was assessed by the contact inhibited "cobblestone" monolayer phenotype, by positive immunofluorescence for factor VIII and by angiotensin converting enzyme activity.
(20) The cells lose their usual cobblestone appearance and acquire a fibroblastic, undifferentiated morphology.