What's the difference between ground and surface?

Ground


Definition:

  • (imp. & p. p.) of Grind
  • (n.) The surface of the earth; the outer crust of the globe, or some indefinite portion of it.
  • (n.) A floor or pavement supposed to rest upon the earth.
  • (n.) Any definite portion of the earth's surface; region; territory; country. Hence: A territory appropriated to, or resorted to, for a particular purpose; the field or place of action; as, a hunting or fishing ground; a play ground.
  • (n.) Land; estate; possession; field; esp. (pl.), the gardens, lawns, fields, etc., belonging to a homestead; as, the grounds of the estate are well kept.
  • (n.) The basis on which anything rests; foundation. Hence: The foundation of knowledge, belief, or conviction; a premise, reason, or datum; ultimate or first principle; cause of existence or occurrence; originating force or agency; as, the ground of my hope.
  • (n.) That surface upon which the figures of a composition are set, and which relieves them by its plainness, being either of one tint or of tints but slightly contrasted with one another; as, crimson Bowers on a white ground.
  • (n.) In sculpture, a flat surface upon which figures are raised in relief.
  • (n.) In point lace, the net of small meshes upon which the embroidered pattern is applied; as, Brussels ground. See Brussels lace, under Brussels.
  • (n.) A gummy composition spread over the surface of a metal to be etched, to prevent the acid from eating except where an opening is made by the needle.
  • (n.) One of the pieces of wood, flush with the plastering, to which moldings, etc., are attached; -- usually in the plural.
  • (n.) A composition in which the bass, consisting of a few bars of independent notes, is continually repeated to a varying melody.
  • (n.) The tune on which descants are raised; the plain song.
  • (n.) A conducting connection with the earth, whereby the earth is made part of an electrical circuit.
  • (n.) Sediment at the bottom of liquors or liquids; dregs; lees; feces; as, coffee grounds.
  • (n.) The pit of a theater.
  • (v. t.) To lay, set, or run, on the ground.
  • (v. t.) To found; to fix or set, as on a foundation, reason, or principle; to furnish a ground for; to fix firmly.
  • (v. t.) To instruct in elements or first principles.
  • (v. t.) To connect with the ground so as to make the earth a part of an electrical circuit.
  • (v. t.) To cover with a ground, as a copper plate for etching (see Ground, n., 5); or as paper or other materials with a uniform tint as a preparation for ornament.
  • (v. i.) To run aground; to strike the bottom and remain fixed; as, the ship grounded on the bar.
  • () imp. & p. p. of Grind.

Example Sentences:

  • (1) Hoursoglou thinks a shortage of skilled people with a good grounding in core subjects such as maths and science is a potential problem for all manufacturers.
  • (2) The manufacturers, British Aerospace describe it as a "single-seat, radar equipped, lightweight, multi-role combat aircraft, providing comprehensive air defence and ground attack capability".
  • (3) The hospital whose A&E unit has been threatened with closure on safety grounds has admitted that four patients died after errors by staff in the emergency department and other areas.
  • (4) Keep it in the ground campaign Though they draw on completely different archives, leaked documents, and interviews with ex-employees, they reach the same damning conclusion: Exxon knew all that there was to know about climate change decades ago, and instead of alerting the rest of us denied the science and obstructed the politics of global warming.
  • (5) For this to work, its leaders had to be able to at least influence the behaviour and tactics of the militant operators on the ground.
  • (6) One thousand nineteen Wyoming ground squirrels (Spermophilus elegans elegans) from 4 populations in southern Wyoming were examined for intestinal parasites.
  • (7) Unlike most birds of prey, which are territorial and fight each other over nesting and hunting grounds, the hen harrier nests close to other harriers.
  • (8) I had loan sharks turning up at the training ground when I was at Ipswich [2011-13].
  • (9) This week, Umande broke ground on the first of a series of toilet block biocentres in a slum in Kisumu, near Lake Victoria.
  • (10) But in a setback to the UK, Somaliland, which broke away from Somalia in 1991, refused British entreaties to attend on the grounds that it would not have been treated as equal to the Somali government.
  • (11) On land, the pits' stagnant pools of water become breeding grounds for dengue fever and malaria.
  • (12) We conclude that the concept of the limbic system cannot be accepted on empirical grounds.
  • (13) On the grounds of the reported paediatric cases, the erudition in childhood is compared with the more common form in the adult, and is found to be much less linked with diabetes mellitus and to have a far better prognosis, with practically no mortality.
  • (14) It seems like an awfully long way from the ground.” He added: “When I was younger, I dreamed of being an astronaut, but I also wanted to be a policeman or a firebreather.
  • (15) We come to see that some traditions keep us grounded, but that, in our modern world, other traditions set us back.” Female genital mutilation (FGM) affects more than 130 million girls and women around the world.
  • (16) Differentiation on histopathological grounds between this tumour and the more common juvenile melanoma may be difficult, but this important distinction should be possible in almost all cases.
  • (17) For Burroughs, who had been publishing ground-breaking books for 20 years without much appreciable financial return, it was association with fame and the music industry, as well as the possible benefits: a wider readership, film hook-ups and more money.
  • (18) United and West Ham are on similar runs and can feel pretty happy about themselves but are not as confident away from home as they are at home and that will have to change if they are to make ground on the top teams.
  • (19) But today, Americans increasingly no longer shy away from saying they oppose mosques on the grounds that Muslims are a threat or different.
  • (20) One of the reasons for doing this study is to give a voice to women trapped in this epidemic,” said Dr Catherine Aiken, academic clinical lecturer in the department of obstetrics and gynaecology of the University of Cambridge, “and to bring to light that with all the virology, the vaccination and containment strategy and all the great things that people are doing, there is no voice for those women on the ground.” In a supplement to the study, the researchers have published some of the emails to Women on Web which reveal their fears.

Surface


Definition:

  • (n.) The exterior part of anything that has length and breadth; one of the limits that bound a solid, esp. the upper face; superficies; the outside; as, the surface of the earth; the surface of a diamond; the surface of the body.
  • (n.) Hence, outward or external appearance.
  • (n.) A magnitude that has length and breadth without thickness; superficies; as, a plane surface; a spherical surface.
  • (n.) That part of the side which is terminated by the flank prolonged, and the angle of the nearest bastion.
  • (v. t.) To give a surface to; especially, to cause to have a smooth or plain surface; to make smooth or plain.
  • (v. t.) To work over the surface or soil of, as ground, in hunting for gold.

Example Sentences:

  • (1) The resulting dose distribution is displayed using traditional 2-dimensional displays or as an isodose surface composited with underlying anatomy and the target volume.
  • (2) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
  • (3) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
  • (4) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (5) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
  • (6) Such an increase in antibody binding occurred simultaneously with an increase in the fluidity of surface lipid regions, as monitored by fluorescence depolarization of 1-(trimethylammoniophenyl)-6-phenyl-1,3,5-hexatriene.
  • (7) The role of Ca2+ in cell agglutination may be either to activate the cell-surface dextran receptor or to form specific intercellular Ca2+ bridges.
  • (8) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
  • (9) Even with hepatic lipase, phospholipid hydrolysis could not deplete VLDL and IDL of sufficient phospholipid molecules to account for the loss of surface phospholipid that accompanies triacylglycerol hydrolysis and decreasing core volume as LDL is formed (or for conversion of HDL2 to HDL3).
  • (10) A total of 555 caries lesions were registered on proximal surfaces, 49.1% being primary lesions in the enamel, 21.4% primary lesions into the dentin and 29.5% secondary lesions.
  • (11) Contact angles of Silafocon A and PMMA were relatively uninfluenced by front surface radii between 7.7 and 8.85 and 7.3 to 8.8 mm, respectively.
  • (12) These cells contained organelles characteristic of the maturation stage ameloblast and often extended to the enamel surface, suggesting a possible origin from the ameloblast layer.
  • (13) Together these observations suggest that cytotactin is an endogenous cell surface modulatory protein and provide a possible mechanism whereby cytotactin may contribute to pattern formation during development, regeneration, tumorigenesis, and wound healing.
  • (14) Our Ph1-positive ALL revealed B-cell lineage leukemia, since their surface phenotype were Ia+ and CD10+ and they have rearranged immunoglobulin JH genes.
  • (15) The complete nucleotide sequence of the gene for a cell surface protein antigen (SpaA) of Streptococcus sobrinus MT3791 (serotype g) was determined.
  • (16) To investigate the mechanism of enhanced responsiveness of cholesterol-enriched human platelets, we compared stimulation by surface-membrane-receptor (thrombin) and post-receptor (AlF4-) G-protein-directed pathways.
  • (17) Lysis of EAC4b,3b cellular intermediates formed to contain a low surface amount of C3b was more inhibited than was lysis of cells formed with a standard amount of C3b on the surface.
  • (18) After either 5 or 10 days of culture with both cytokines, intense immunofluorescent staining for Ia could be identified on the surface of greater than 80-90% of the viable islet cells.
  • (19) Within the capillary-perfused mucosa and muscularis (between 50 and 2000 microns from the urothelial surface), concentrations decreased by 50% for each 500-microns distance.
  • (20) Displacement of the surface of the cornea of bovine eyes after disruption of intact structures was investigated by means of holographic interferometry.