What's the difference between key and logical?

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).

Logical


Definition:

  • (a.) Of or pertaining to logic; used in logic; as, logical subtilties.
  • (a.) According to the rules of logic; as, a logical argument or inference; the reasoning is logical.
  • (a.) Skilled in logic; versed in the art of thinking and reasoning; as, he is a logical thinker.

Example Sentences:

  • (1) It would seem logical to select an antihypertensive drug that does not reduce exercise capacity when treating physically active patients with mild and moderate hypertension.
  • (2) In clinical situations in which complement is damaging, the logical therapy should be, if at all possible, the removal of the activated complement components from the circulation.
  • (3) Opposition to legal abortion takes magical thinking and a lack of logic | Jessica Valenti Read more The only female Republican candidate for the White House has doubled down on her restrictive position over reproductive rights since a successful debate performance .
  • (4) The rationale for this assumption seems logical because using all of the available accommodation is not sustainable without discomfort.
  • (5) He always had a logical approach to his arguments and I would have described him as fair at the time.
  • (6) Greece sincerely had no intention of clashing with its partners, Varoufakis insisted, but the logic of austerity was such that policies conducted in its embrace could only fail.
  • (7) The ordered aspect of the genetic code table makes this result a plausible starting point for studies of the origin and evolution of the genetic code: these could include, besides a more refined optimization principle at the logical level, some effects more directly related to the physico-chemical context, and the construction of realistic models incorporating both aspects.
  • (8) The diagnosis of cervical injuries may be facilitated by following a logical pattern of analysis searching for abnormalities of alignment and anatomy, of bony integrity, of the cartilage or joint spaces, and of the soft tissues.
  • (9) The end of the cold war and a reshaping of the threats faced by the UK had undermined the logic of nuclear deterrence strategy, he said.
  • (10) Cameron knew the latter option was not open to him, and had the guts to follow where the implacable logic led.
  • (11) Results reveal a logical, understandable, and largely adaptive response to intractable seizures and offer little support for the concept of a dysfunctional or pathological interictal personality style.
  • (12) It imposes a standard of logical reductionism and methodological purity that not only violates the nature of psychoanalytic knowledge, but imposes an invalid standard of verification and scientific confirmation.
  • (13) A second, un-named Encephalitozoon-like intestinal microsporidia has been identified in five AIDS patients with chronic diarrhea; because it infects lamina propria macrophages, it was logical to investigate its dissemination.
  • (14) Bypass of surgically inaccessible stenoses or occlusions appears to be a logical technique to prevent future stroke but there is much uncertainty about the clinical indications for surgery and even the natural history of the lesions being bypassed.
  • (15) The apotheosis of the cockamamie logic surrounding the sale, is the idea that some of the City institutions set to make a killing may own our pensions.
  • (16) The strict logic is on Sir Menzies's side, but Britain's asymmetric devolution is not unique.
  • (17) So, logic would dictate that if Greeks are genuinely in favour of reform – and opinion polls have consistently shown wide support for many of the structural changes needed – they would be foolish to give these two parties another chance.
  • (18) Therefore it would be valuable to use a representation that would allow: knowledge transfer between different systems, users, experts and 'importers' to be able to evaluate the logic, experts to easily input their knowledge and be guided how to use the syntax.
  • (19) the institutional logic: child's age when admitted, institutional categories.
  • (20) The implications of these observations in supporting a model of phleomycin amplification proposed previously (6) and their utility in providing a logic for developing a new class of antibiotics are discussed.