(a.) Cutting; divivding into two parts; as, a secant line.
(a.) A line that cuts another; especially, a straight line cutting a curve in two or more points.
(a.) A right line drawn from the center of a circle through one end of a circular arc, and terminated by a tangent drawn from the other end; the number expressing the ratio line of this line to the radius of the circle. See Trigonometrical function, under Function.
Example Sentences:
(1) The absorbed light per unit area illuminated decreases with increasing angle, because the area illuminated by the laser beam is proportional to the secant of the incident angle.
(2) In the course of history of anatomy the prosector (dissector, incisor, secant, sculptor, procurator) held total different positions: at first he acted as a manual craftsman (barber surgeon) and as teacher's assistant lacking any academic education (organized in fraternities or guilds).
(3) Newton's method appears to have better convergence properties than the secant method in the likelihood ratio test case.
(4) Results indicate that a secant modulus could be determined by measuring indenter force and contact area.
(5) The basis of several solution methods is described; the PROSYN program is capable of using either of two (bracketting and the secant method) of these procedures.
(6) The conjugate gradient method is used to optimize the inversion slice profile produced by complex hyperbolic secant selective pulses.
(7) It is found that multifrequency selective excitation with sinc pulses--up to eight slices are investigated--and two-frequency inversion with hyperbolic secant pulses lead to profiles comparable in quality and selectivity to those of conventional single-frequency pulses.
(8) Similarly, the secant method is easier to implement for the computation of score test based intervals.
(9) An automated imaging technique, based upon the method of directed secants, was used to quantify variations in bone porosity and trabecular size, distribution, and orientation within serial transverse histological sections of the L1 and L2 vertebral centrum.
(10) The Secant formula and Euler's formula were proved to be specific cases in this general solution.
(11) However, the secant method may be easier to program for models with link functions that are not natural.
Tic
Definition:
(n.) A local and habitual convulsive motion of certain muscles; especially, such a motion of some of the muscles of the face; twitching; velication; -- called also spasmodic tic.
Example Sentences:
(1) A case of epidermoid tumor presenting with a painful tic convulsif was reported.
(2) This treatment was given to 11 patients with Huntington's chorea (ChH), 4 with faciolingual dyskinesis (DFL), 3 with torticollis spasmodicus (TS), 3 with maladie des tics (MT) and 8 with dyskinesia following treatment with L-dopa (MP).
(3) The highest predictive values for the exclusion of TiC are shown by inconspicuous concentration capacity accompanied by normal ammonia excretion, total acid excretion, water diuresis, free water clearance or urine dilution capacity.
(4) In an effort to test this hypothesis, the relationships between organism concentrations and water chemistry parameters that have the potential to alter Cd availability including pH, calcium (Ca), total organic carbon (TOC) and total inorganic carbon (TIC) were examined.
(5) Tics are modified by multiple psychological contents (aggressive or sexual impulses, imitation of others) which tend to become independent of their origin.
(6) On the basis of the achieved results the author comes to the conclusion that in the pathogenesis of a pseudoneurotic tic an important role is being played by a premorbid insufficiency of the motor analyzer.
(7) The authors hypothesize that neurotransmitter abnormalities existing in Down's syndrome may predispose such individuals to basal ganglia dysfunction and the subsequent development of tics.
(8) All tics subsided before the age of 20 years, only to recur after the age of 60 years, once again including both motor and vocal tics that changed in location and severity slowly over time.
(9) The observation of a young north african afflicted with a tic disorder suggests an underlying meaning in the apparently confused motoric discharges, thanks to psychodrama and to ethnopsychoanalytic consultations with the family.
(10) Only PIP or TIC + SUL or TAZ were able to inhibit at least 90% of tested strains.
(11) Five of our 7 patients had a positive family history of tics, and 2 a confirmed family history of gout.
(12) When diagnostic criteria were broadened to include any tics in co-twins, concordance rates were 77% and 23% for MZ and DZ pairs, respectively.
(13) Associated psychopathology was common: 38% received an anxiety disorder diagnosis; 29% received a mood disorder diagnosis; tics were observed in 24%.
(14) Pharmacological intervention, using clonidine, also did not reduce tic frequency.
(15) Further there are associations between a family history of tics and obsessive compulsive disorder in the subsequent generation.
(16) The narrative drivers are pretty slack – improbable dialogue ("I'm a very wealthy man, Miss Steele, and I have expensive and absorbing hobbies"); lame characterisation; irritating tics (a constant war between Steele's "subconscious", which is always fainting or putting on half-moon glasses, and her "inner goddess", who is forever pouting and stamping); and an internal monologue that goes like this … "Holy hell, he's hot!
(17) The activity of TIC against Bacteroides fragilis was improved up to 64-fold by clavulanic acid, with a definite but less pronounced effect on the non-fragilis Bacteroides species.
(18) The tic occurred 40 to 50 times per minute on its peak at age 16.
(19) In a direct interview study, the perinatal experiences of 31 TS patients were compiled in an effort to identify risk factors associated with tic severity.
(20) The majority of patients with tic douloureux are successfully treated by pharmacotherapy with phenytoin or carbamazepine.