What's the difference between field and key?

Field


Definition:

  • (n.) Cleared land; land suitable for tillage or pasture; cultivated ground; the open country.
  • (n.) A piece of land of considerable size; esp., a piece inclosed for tillage or pasture.
  • (n.) A place where a battle is fought; also, the battle itself.
  • (n.) An open space; an extent; an expanse.
  • (n.) Any blank space or ground on which figures are drawn or projected.
  • (n.) The space covered by an optical instrument at one view.
  • (n.) The whole surface of an escutcheon; also, so much of it is shown unconcealed by the different bearings upon it. See Illust. of Fess, where the field is represented as gules (red), while the fess is argent (silver).
  • (n.) An unresticted or favorable opportunity for action, operation, or achievement; province; room.
  • (n.) A collective term for all the competitors in any outdoor contest or trial, or for all except the favorites in the betting.
  • (n.) That part of the grounds reserved for the players which is outside of the diamond; -- called also outfield.
  • (v. i.) To take the field.
  • (v. i.) To stand out in the field, ready to catch, stop, or throw the ball.
  • (v. t.) To catch, stop, throw, etc. (the ball), as a fielder.

Example Sentences:

  • (1) Neuropsychological testing is a relatively new field in the area of clinical neuroscience.
  • (2) Open field behaviors and isolation-induced aggression were reduced by anxiolytics, at doses which may be within the sedative-hypnotic range.
  • (3) 8.43am BST A little more from that Field interview on Today.
  • (4) Enhanced sensitivity to ITDs should translate to better-defined azimuthal receptive fields, and therefore may be a step toward achieving an optimal representation of azimuth within the auditory pathway.
  • (5) Cellular radial expansion was apparently unaffected by exposure to electric fields.
  • (6) The playing fields on which all those players began their journeys have been underfunded for years and are now facing a renewed crisis because of cuts to local authority budgets.
  • (7) Data is available to support the early influences of enamel organ epithelium upon a responding mesenchyme in the determination of dental morphogenetic fields (Dryburg, 1967; Miller, 1969).
  • (8) In a series of compounds with H2-antihistaminic activity, a conformational analysis was performed based on force field calculations.
  • (9) With fields and fells already saturated after more than four times the average monthly rainfall falling within the first three weeks of December, there was nowhere left to absorb the rainfall which has cascaded from fields into streams and rivers.
  • (10) Possibilities to achieve this both in the curative and the preventive field are restricted mainly due to the insufficient knowledge of their etiopathogenesis.
  • (11) Consequently, it is important to predict accurately dose for such fields to ensure adequate coverage of the target region and sparing of healthy tissues.
  • (12) Their receptive fields comprise a temporally and spatially linear mechanism (center plus antagonistic surround) that responds to relatively low spatial frequency stimuli, and a temporally nonlinear mechanism, coextensive with the linear mechanism, that--though broad in extent--responds best to high spatial-frequency stimuli.
  • (13) No biologic investigation of the hemostatic impairment could be performed under the emergency conditions of this field study.
  • (14) Hyperosmolar buffer slightly increased the sensitivity and maximal response to methacholine as well as the cholinergic twitch to electric field stimulation.
  • (15) At sufficiently high field intensities, the reaction may approach a value equal to that of the free enzyme system.
  • (16) Most of the infection was attributed to T. parva parva by application of field ticks to susceptible cattle.
  • (17) Components of locomotor activity were measured in an open field.
  • (18) The field of labeling formed a continuous band from rostro-laterally to caudo-medially.
  • (19) It has a poor prognosis prior to the current combined treatment of surgical ablation, radiation to the surgical field, and chemotherapy for microscopic metastases.
  • (20) These are particularly common in the field of sport.

Key


Definition:

  • (n.) An instrument by means of which the bolt of a lock is shot or drawn; usually, a removable metal instrument fitted to the mechanism of a particular lock and operated by turning in its place.
  • (n.) An instrument which is turned like a key in fastening or adjusting any mechanism; as, a watch key; a bed key, etc.
  • (n.) That part of an instrument or machine which serves as the means of operating it; as, a telegraph key; the keys of a pianoforte, or of a typewriter.
  • (n.) A position or condition which affords entrance, control, pr possession, etc.; as, the key of a line of defense; the key of a country; the key of a political situation. Hence, that which serves to unlock, open, discover, or solve something unknown or difficult; as, the key to a riddle; the key to a problem.
  • (n.) That part of a mechanism which serves to lock up, make fast, or adjust to position.
  • (n.) A piece of wood used as a wedge.
  • (n.) The last board of a floor when laid down.
  • (n.) A keystone.
  • (n.) That part of the plastering which is forced through between the laths and holds the rest in place.
  • (n.) A wedge to unite two or more pieces, or adjust their relative position; a cotter; a forelock.
  • (n.) A bar, pin or wedge, to secure a crank, pulley, coupling, etc., upon a shaft, and prevent relative turning; sometimes holding by friction alone, but more frequently by its resistance to shearing, being usually embedded partly in the shaft and partly in the crank, pulley, etc.
  • (n.) An indehiscent, one-seeded fruit furnished with a wing, as the fruit of the ash and maple; a samara; -- called also key fruit.
  • (n.) A family of tones whose regular members are called diatonic tones, and named key tone (or tonic) or one (or eight), mediant or three, dominant or five, subdominant or four, submediant or six, supertonic or two, and subtonic or seven. Chromatic tones are temporary members of a key, under such names as " sharp four," "flat seven," etc. Scales and tunes of every variety are made from the tones of a key.
  • (n.) The fundamental tone of a movement to which its modulations are referred, and with which it generally begins and ends; keynote.
  • (n.) Fig: The general pitch or tone of a sentence or utterance.
  • (v. t.) To fasten or secure firmly; to fasten or tighten with keys or wedges.

Example Sentences:

  • (1) Community involvement is a key element of the Primary Health Care (PHC) approach, and thus an essential topic on a course for managers of Primary Health Care programmes.
  • (2) A key way of regaining public trust will be reforming the system of remuneration as agreed by the G20.
  • (3) Instead, the White House opted for a low-key approach, publishing a blogpost profiling Trinace Edwards, a brain-tumour victim who recently discovered she was eligible for Medicaid coverage.
  • (4) The presence of a few key residues in the amino-terminal alpha-helix of each ligand is sufficient to confer specificity to the interaction.
  • (5) The key warning from the Fed chair A summary of Bernanke's hearing Earlier... MPs in London quizzed the Bank of England on Libor.
  • (6) "Seller reports are key to identifying bad buyers and ridding them from our marketplace," says eBay.
  • (7) It is suggested that the low-density lipoprotein receptors in human fetal liver may play a key role in the regulation of the serum cholesterol levels during gestation.
  • (8) A key component of a career program should be recognition of a nurse's needs and the program should be evaluated to determine if these needs are met.
  • (9) As novel antibody therapeutics are developed for different malignancies and require evaluation with cells previously uncharacterized as antibody-dependent cell-mediated cytotoxicity (ADCC) targets, efficient description of key parameters of the assay system expedites the preclinical assessment.
  • (10) Meanwhile, Hunt has been accused of backtracking on a key recommendation in the official report into Mid Staffs.
  • (11) The safe motherhood initiative demands an intersectoral, collaborative approach to gynecology, family planning, and child health in which midwifery is the key element.
  • (12) Acetylcholinesterase is a key enzyme in cholinergic neurotransmission for hydrolyzing acetylcholine and has been shown to possess arylacylamidase activity in addition to esterase activity.
  • (13) If Lagarde had been placed under formal investigation in the Tapie case, it would have risked weakening her position and further embarrassing both the IMF and France by heaping more judicial worries on a key figure on the international stage.
  • (14) Four goals, four assists, and constant movement have been a key part of the team’s success.
  • (15) Mechanosensitive ion channels may play a key role in transducing vascular smooth muscle (VSM) stretch into active force development.
  • (16) But Abaaoud, the man thought to be a key planner for the group behind the Paris attacks, boasted to a niece that he had brought around 90 militants back to Europe with him.
  • (17) Key therapeutic questions are whether beta-lactams can safely replace aminoglycosides for the treatment of gram-negative pneumonia, and whether monotherapy or aminoglycoside and beta-lactam combination antibiotic treatment is superior.
  • (18) Teaching procedures then establish and build these key components to fluency.
  • (19) Doubts about Hinkley Point have deepened after a detailed report by HSBC’s energy analysts described eight key challenges to the project, which will be built by the state-backed French firm EDF and be part-financed by investment from China .
  • (20) The Lords will vote on three key amendments: • To exclude child benefit from the cap calculation (this would roughly halve the number of households affected).