(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).
Transposition
Definition:
(n.) The act of transposing, or the state of being transposed.
(n.) The bringing of any term of an equation from one side over to the other without destroying the equation.
(n.) A change of the natural order of words in a sentence; as, the Latin and Greek languages admit transposition, without inconvenience, to a much greater extent than the English.
(n.) A change of a composition into another key.
Example Sentences:
(1) A case of incomplete peno-scrotal transposition, with a perineal anorectal duplication, vesico-ureteric reflux and thoracic hemivertebrae is presented.
(2) This modified transposon may be useful for studies of other bacteria that support transposition of Mu, but not Tn5, derivatives.
(3) This report adds another modification of the standard gastrocnemius muscle flap: transtibial transposition of the muscle through the posterior cortex.
(4) Together these rearrangements occur at about 10% the rate of IS10 transposition.
(5) A final experiment confirmed a prediction from the above theory that when recalling the original sequence, omissions (recalling no word) will decrease and transpositions (giving the wrong word) will increase as noise level increases.
(6) An accurate description of the coronary anatomy is desired before anatomic correction of d-transposition of the great arteries.
(7) Restriction endonuclease analysis of the resulting plasmids have shown, that among them were the end products of the Tn2555 transposition from RP4 to pBR325.
(8) Transposition of En-1 in the potato clone was analysed by Southern blot hybridization and confirmed by molecular isolation of En-1 excision and integration events.
(9) Transposition of prolabium not required in the definitive lip repair into the floor of the nose permits subsequent columellar construction.
(10) Six had a univentricular heart of left ventricular morphology, three had a single ventricle of right ventricular morphology, one had tricuspid atresia with transposition of the great arteries, one had pulmonary atresia, intact ventricular septum, and hypoplastic right ventricle, and one had corrected transposition with hypoplastic systemic ventricle.
(11) Twenty-four patients had uncomplicated ventricular septal defect, 2 had single ventricle, 5 had transposition of the great arteries, 5 had atrioventricular canal defects, and 2 had coarctation of the aorta and ventricular septal defect.
(12) However, the very low frequency (5 X 10(-8)) at which intramolecular transpositions in the bireplicons occurs, as compared to the single replicon (10(-4)), suggests that a complete transposition reaction may not be necessary to generate deletions.
(13) The most commonly associated lesions were ventricular septal defect (50%), hypoplastic aortic arch (45%), patent ductus arteriosus (41%), transposition of great arteries (22.7%) and other intracardiac lesions comprised 30%.
(14) Anterior transposition of the cervical pedicles and fixation of the myometrium to the anterior vagina ensure that the fitting is solid and in the correct direction.
(15) Self-integration and methylation of Tp1 elements may function to limit transposition frequency.
(16) The associated of hemophilia and transposition, observed also by others, is extremely unlikely by chance and suggests genetic errors of endothelial cell function.
(17) The process of diagnosis by echocardiography of transposition of the great vessels is based fundamentally on the recognition of the position and relative orientation of the two ventricles and of the two vessels of the base of the heart.
(18) The diagnosis based on physical ECG and X-rays was correct in only 42% of cases, and was most accurate in children with transposition of the great arteries, syndrome of Fallot, coarctation of the aorta and ventricular septal defects.
(19) This radionuclide study suggests that following surgery for transposition of the great arteries: mean right ventricular systolic ejection fraction remains at levels consistent with values usually found for the "normal" right ventricle; group right ventricular function does not deteriorate in the years following surgery; and tricuspid regurgitation may be detected in the early postoperative years.
(20) Like all other elements studied to date, the integrity of the extremities of IS1 are essential for efficient transposition.