What's the difference between button and knob?

Button


Definition:

  • (n.) A knob; a small ball; a small, roundish mass.
  • (n.) A catch, of various forms and materials, used to fasten together the different parts of dress, by being attached to one part, and passing through a slit, called a buttonhole, in the other; -- used also for ornament.
  • (n.) A bud; a germ of a plant.
  • (n.) A piece of wood or metal, usually flat and elongated, turning on a nail or screw, to fasten something, as a door.
  • (n.) A globule of metal remaining on an assay cupel or in a crucible, after fusion.
  • (n.) To fasten with a button or buttons; to inclose or make secure with buttons; -- often followed by up.
  • (n.) To dress or clothe.
  • (v. i.) To be fastened by a button or buttons; as, the coat will not button.

Example Sentences:

  • (1) Following each stimulus, the subject had to press a button for RT and then report the digit perceived.
  • (2) Three areas of abnormality were seen in schizophrenics: first, the interval preceding the motor response was characterized by reduced motor steadiness prior to the button-press response; second, the motor response was made with excessive force (hyperdynamia); and third, the agonist-antagonist synchrony (motor reversal) was impaired.
  • (3) On presidential election day 2010 it offered one group in the US a graphic with a link to find nearby polling stations, along with a button that would let you announce that you'd voted, and the profile photos of six other of your "friends" who had already done so.
  • (4) Every time we have a negotiation, the bidding process (for the project) slows and postpones things.” Water quality has become a hot-button issue as the Olympics draw closer with little sign of progress in cleaning up the fetid bay, as well as the lagoon system in western Rio that hugs the sites of the Olympic park, the very heart of the games.
  • (5) These regenerating nerve fibres together with growth cones make terminals in the form of buttons, rings and loops.
  • (6) No IgM was detected in the central buttons of four of the five sets where IgM occurred in the corneal periphery.
  • (7) Button osteomas affect two animals and are the only neoplastic conditions observed.
  • (8) 54 min: Has Joey Barton pressed the self-destruct button?
  • (9) She walked around her Bethnal Green and Bow constituency in a crop top that showed her belly button ring; she also established herself as a hard- working MP for that area.
  • (10) Six human donor corneas were studied with the scanning electron microscope to quantify the hazards to the endothelium during the excision of corneoscleral buttons.
  • (11) The disintegration of charged alkaline mercury button cells in simulated gastric fluid over a 24 h period has been studied.
  • (12) He seemed to have his finger on an invisible button, hardwired into the brains of the Fleet Street editors, driving them into an apoplectic frenzy of rage each time he chose to push it.
  • (13) Simple suturing techniques are also described, including the practicability of using padded buttons plus lead fishing sinkers to adjust the tension and secure these sutures on the surface of the neck.
  • (14) Protein concentration in the tissue buttons was significantly less than that of peritoneal fluid.
  • (15) McLaren’s Jenson Button completed the top 10, two seconds down as he and the team continue to show signs of improvement, with his team-mate Fernando Alonso 12th and a further half a second off the pace.
  • (16) We analysed the histological and ultrastructural aspects of corneal buttons obtained by keratoplasty in two patients presenting breaks in Descemet's membrane.
  • (17) Some fixation problems may have been related to technical errors and use of the earlier one-button technique.
  • (18) Light microscopic, histochemical, and electron microscopic study of the excised button disclosed characteristic features of macular corneal dystrophy in the donor cornea.
  • (19) Foreign aid, NHS queues, he pressed hot button prejudices, interrupted other speakers, his quick wit won both laughter and applause.
  • (20) Few figures exist but anecdotally, online fundraising is being embraced by the majority for whom at least a "donate" button exists, says Cath Lee, chief executive of the Small Charities Coalition .

Knob


Definition:

  • (n.) A hard protuberance; a hard swelling or rising; a bunch; a lump; as, a knob in the flesh, or on a bone.
  • (n.) A knoblike ornament or handle; as, the knob of a lock, door, or drawer.
  • (n.) A rounded hill or mountain; as, the Pilot Knob.
  • (n.) See Knop.
  • (v. i.) To grow into knobs or bunches; to become knobbed.

Example Sentences:

  • (1) The narrow intercellular ridge is smooth, whereas the epithelial cells have small cytoplasmic knobs between the cilia.
  • (2) The histochemical study of the LDH in the Trout embryo during the early organogenesis shows a specific localization in notochord cells, in mesodermic cells of the terminal knob and in some prosencephalic neuroblasts.
  • (3) Motor axons possessed elongate, irregularly shaped boutons en passant and morphologically variable boutons terminaux; the latter included huge endings with knobbed projectiles arising from thick collaterals, or smaller, round boutons from thin collaterals.
  • (4) Men might not have frills and furbelows as women traditionally do, but they’ve got spurious function: knobs on their watches or extra pockets on their jackets that are just as decorative as anything women wear.” 6.
  • (5) As with established cell lines, formation of zeiotic knobs at the isolated Type 1 cell surface appeared closely related to microfilamentous nets located beneath the plasmalemma.
  • (6) The isolated cells have an ovoid soma, a dendrite of variable length which terminates in a cilia-bearing knob and an axon, also of variable length.
  • (7) In addition, some reacted with either knob protrusions or caveolae of the host erythrocyte membrane; one reacted with a parasite-derived antigen present in the erythrocyte cytoplasm.
  • (8) "It might be that you think it's just a knob on the front panel, but maybe installing it requires you disassemble the front panel, and actually you need a mechanic to come and fit it," argues Rowley.
  • (9) wt from 80 to 95 kd in different knob-producing isolates of P. falciparum and is absent in knobless variants.
  • (10) To investigate environmental influences on the development of the olfactory epithelium, semi-thin sections were taken from the nasal septum of newborn and 30-day-old rabbits; the epithelial thickness and the number of olfactory knobs, supporting cells, dark basal cells, and receptor cells were compared.
  • (11) The spores of Rif-18 are pleomorphic and frequently exhibit terminal knobs.
  • (12) To investigate the involvement of actin filaments in concanavalin A (Con A)-induced cap formation and cytochalasin B (CB)-induced zeiotic knob migration, the distribution of F-actin was studied in Con A-treated and CB-treated Ehrlich ascites tumor cells (EATC) by fluorescence microscopy using heavy meromyosin conjugated with a fluorescent dye, N-(7-dimethylamino-4-methylcoumarinyl) maleimide, (DACM-HMM).
  • (13) 205 subjects each chose a "most pleasant" sound delivered through an earphone by turning the control knob on a continuously variable audio oscillator.
  • (14) Knobs which appear on the membrane of the infected erythrocytes adhere to the endothelium, causing the obstruction of cerebral microvessels.
  • (15) Cytoadherence of infected erythrocytes in vivo is associated with the presence of knobs on the erythrocyte surface, but we and others have shown recently that cytoadherence to C32 melanoma cells may occur in vitro in the absence of knobs.
  • (16) Systemic administration of the anti-inflammatory agent indomethacin blocked vascular leakage due to endothelial gap formation but had little or no effect on trophoblast knob penetration of vessels.
  • (17) After crossectomy which remains the most important stage, a short stripping is performed in an upward direction, substituting a packing for the olive shaped knob normally used.
  • (18) Under scanning electron microscopy, O. viverrini eggs looked like musk-melon skin; they had prominent shoulders and long knobs.
  • (19) Six culture-adapted knob-positive Plasmodium falciparum parasites, four of which were nonbinding in an in vitro cytoadherence assay, were tested for the presence of the knob-associated histidine-rich protein PfHRP1.
  • (20) Instead, there were free and spiral nerve terminals in the interstitium, and epilemmal knob-like or bouton-like endings surrounding non-encapsulated muscle fibers.