(a.) Exactly upright or vertical; pointing to the zenith; at right angles to the plane of the horizon; extending in a right line from any point toward the center of the earth.
(a.) At right angles to a given line or surface; as, the line ad is perpendicular to the line bc.
(n.) A line at right angles to the plane of the horizon; a vertical line or direction.
(n.) A line or plane falling at right angles on another line or surface, or making equal angles with it on each side.
Example Sentences:
(1) Our data support the hypothesis that evoked and epileptiform magnetic fields result from intradendritic currents oriented perpendicular to the cortical surface.
(2) Right ventricular volumes were determined in 12 patients with different levels of right and left ventricular function by magnetic resonance imaging (MRI) using an ECG gated multisection technique in planes perpendicular to the diastolic position of the interventricular septum.
(3) We attribute the greater strength of the step-cut repair to the additional number of epitendinous loops, which lie perpendicular to the long axis of the tendon.
(4) The helix axes, penetrating the hydrophobic region of the bilayers, were oriented neither parallel nor perpendicular to the membrane normal.
(5) We show that over a limited range of high spatial frequencies this noise takes on a striated appearance, with the striations running perpendicular to the true fringe orientation.
(6) The AFB1 moiety is face-stacked in the major groove with its long axis approximately perpendicular to the helix axis.
(7) The two molecules in the asymmetric unit form a dimer with its 2-fold axis perpendicular to and intersecting with a crystallographic 4(1) axis.
(8) Interestingly, the helical motif prefers to assemble parallel to the wall, whereas the beta-barrel, predominantly assembles with its principal axis perpendicular to the wall.
(9) The numerals were either upright, or inverted, or rotated perpendicular to the arm axis.
(10) Parameters measured from simulator films included: (a) the perpendicular distance from the posterior tangential field edge to the posterior part of the anterior chest wall at the center of the field (CLD); (b) the maximum perpendicular distance from the posterior tangential field edge to the posterior part of the anterior chest wall (MLD); and (c) the length of lung (L) as measured at the posterior tangential field edge on the simulator film.
(11) Our results suggest that the first stage is much more selective for orientation than are lateral geniculate nucleus cells, but that the first-stage orientation bandwidth is rather wide with some interaction occurring between perpendicular orientations.
(12) In slices cut parallel to the pyramidal neurons (perpendicular to the brain surface) one can study chemosensitivity of the various parts of the dendritic tree and the soma.
(13) The bands encircle the muscle fiber perpendicular to the long axis of the fiber and they matched the sites of attachment of the sarcomeres to the plasma membrane.
(14) Thin section analysis of capped cells revealed an abundance of microtubules immediately beneath the cap which were arranged approximately perpendicular to the plane of the membrane.
(15) This procedure allowed both light and electron microscopic examination of serial-step sections of individual cells cut in a plane perpendicular to the monolayer.
(16) If a segment of a line differs in luminance or color from the rest of the line, three illusory phenomena may be perceived: a reduction in contrast of the line segment relative to the background, subjective contours running perpendicularly to the ends of the line segment, and spread of color or brightness surrounding the line segment.
(17) Typically they lie perpendicular to the cell membrane of the pinealocyte polar process and in close proximity to a polar process of a neighboring cell.
(18) The results of the scattering experiments were almost independent of whether the NaDNA fibers were oriented parallel or perpendicular to the momentum transfer.
(19) Instruments should be rotated perpendicular to the margin from gold to enamel.
(20) The method uses overlapping of Pi1, 3 and 4 in perfect centering of the lens in the axis of the eye (it is assessed by drawing a perpendicular line on the centre of the cornea) and marked dislocation of Pi3 in the direction of decentration of the planoconvex lens with the convexity facing the cornea.
Plumb
Definition:
(n.) A little mass or weight of lead, or the like, attached to a line, and used by builders, etc., to indicate a vertical direction; a plummet; a plumb bob. See Plumb line, below.
(a.) Perpendicular; vertical; conforming the direction of a line attached to a plumb; as, the wall is plumb.
(adv.) In a plumb direction; perpendicularly.
(v. t.) To adjust by a plumb line; to cause to be perpendicular; as, to plumb a building or a wall.
(v. t.) To sound with a plumb or plummet, as the depth of water; hence, to examine by test; to ascertain the depth, quality, dimension, etc.; to sound; to fathom; to test.
(v. t.) To seal with lead; as, to plumb a drainpipe.
(v. t.) To supply, as a building, with a system of plumbing.
Example Sentences:
(1) I was born into a Britain where the majority of the population didn't have a telephone, the wireless or indoor plumbing.
(2) Samples from plumbing fixtures in a hospital yielded legionellae which were "super"-chlorine resistant when assayed under natural conditions.
(3) Officials revealed that the monarch’s London residence needs a total overhaul to tackle a series of problems common to homes occupied by older people: the palace needs rewiring, new plumbing, asbestos removing, and redecoration inside and out.
(4) Plumbing systems consisting of copper showed an inhibitory effect on Legionella during the first five years, whereas no effect could be detected in older systems (Fig.
(5) Soon, reformers known as “sanitarians” focused their attention on replacing the haphazard and unsanitary plumbing arrangements in homes and workplaces with technologically advanced public sewer systems.
(6) A pump will break or the plumbing will be stopped up.
(7) But love him or hate him, by delivering the parcels and fixing the plumbing, WVM kept the economy ticking over.
(8) Sixteen control samples taken from the connecting plumbing system at distant locations, after periods of stagnation which result in DU bacterial contamination, were negative.
(9) Twitter and Facebook are plumbed in to compare your scores to friends, and there is also an untimed mode for practice.
(10) Since at least 10% of our household plumbing systems are made up of lead pipes and 75%, of galvanized iron pipes that contain lead, the heavy metals are acquired from the water used to prepare the formula.
(11) Acute hepatitis E was associated with recent contact with a family member or acquaintance with jaundice and the presence of indoor plumbing.
(12) Later, the group raised €1,000 to have it plumbed into the caravan and a septic tank dug, so the toilet works.
(13) While Liz won new admirers with her stiff upper cleavage and bloke-dismissal skills, super-snob Sally plumbed new depths of irritation.
(14) Halifax District Hospital's Medical Library, Daytona Beach, Florida was altered from two dingy rooms to a modern, well-equipped Medical Library twice its former size by its maintenance men in six months time, with the help of the librarian's sketches and an architect student from the junior college to draw the plans.A complete renovation was done, eighteen-inch walls between rooms being demolished, plumbing, ceiling, and windows removed.
(15) In the seventh a bodyshot and an uppercut clearly had the 36-year-old in trouble before a right hook landed plumb on Cunningham's chin and the American had no chance of beating the count.
(16) Because back home, he says, he couldn’t put food on the table; he’d get only two plumbing jobs a month.
(17) Because plumbing leaks at the seams, and houses leak at the doorframes, and lie-lows lose air through their valves.
(18) Ultimately, when the next recession strikes, central banks in advanced economies will have no choice but to plumb the zero lower bound once again while they choose among four unappealing options.
(19) Bin Hammam said a key part of his pitch would be a drive to build bridges with the club game after relations between Fifa and the most powerful clubs recently plumbed new depths following a series of clashes over the international calendar and compensation.
(20) Inspection of the pool revealed significant plumbing defects which had allowed ingress of sewage from the main sewer into the circulating pool water.