| 单词 | perpendicular |
| 释义 | perpendicular (once / 804 pages) adjn Two lines that form a T are perpendicular to each other. They meet at a right angle. A person who is standing is perpendicular to the earth. Perpendicular is used to describe lines, angles and direction. In geometry a perpendicular angle is 90 degrees, a perfect L. On a compass, East and North are perpendicular to each other. The term can be used more generally to describe any steep angle. You might talk about a ski slope that is nearly perpendicular. That's impossible; gravity would make you fall off a 90-degree angle. But if it's close enough, no one's really measuring. WORD FAMILYperpendicular: perpendicularity, perpendicularly, perpendiculars+/perpendicularity: perpendicularities USAGE EXAMPLESHis knee was pointed directly inward, almost perpendicular to the other. Washington Post(Dec 09, 2016) In the vacuum, the virtual particle pairs can move more easily along the magnetic field than perpendicular to it, Heyl explains. Science Magazine(Nov 30, 2016) Perpendicular to the wood wall is the brick wall that formed the back of the original house. Washington Post(Nov 11, 2016) 1adj intersecting at or forming right angles the axes are perpendicular to each other Syn|Ant normal forming a right angle orthogonal, rectangularhaving a set of mutually perpendicular axes; meeting at right angles righthaving the axis perpendicular to the base parallel being everywhere equidistant and not intersecting obliqueslanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled comparableable to be compared or worthy of comparison convergenttending to come together from different directions divergent, divergingtending to move apart in different directions inclinedat an angle to the horizontal or vertical position antiparallel(especially of vectors) parallel but oppositely directed collateralsituated or running side by side nonconvergent, nonintersecting(of lines, planes, or surfaces) never meeting or crossing biasslanting diagonally across the grain of a fabric cata-cornered, catacorner, cater-cornered, catercorner, catty-corner, catty-cornered, kitty-corner, kitty-corneredslanted across a polygon on a diagonal line crabwise, sideways(of movement) at an angle diagonalconnecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face nonparallel(of e.g. lines or paths) not parallel; converging oblique-angledhaving oblique angles symmetric, symmetricalhaving similarity in size, shape, and relative position of corresponding parts 2adj at right angles to the plane of the horizon or a base line measure the perpendicular height Syn|Ant vertical steep having a sharp inclination plumbexactly vertical upendedturned up on end unsloped, uprightin a vertical position; not sloping straighthaving no deviations horizontal parallel to or in the plane of the horizon or a base line inclinedat an angle to the horizontal or vertical position gradual(of a topographical gradient) not steep or abrupt crosswisein the shape of (a horizontal piece on) a cross flathorizontally level levelbeing on a precise horizontal plane naiant, swimmingapplied to a fish depicted horizontally atilt, canted, leaning, tilted, tippeddeparting or being caused to depart from the true vertical or horizontal aslant, aslope, diagonal, slanted, slanting, sloped, slopinghaving an oblique or slanted direction high-pitchedset at a sharp or high angle or slant low-pitchedset at a low angle or slant monoclinalof a geological structure in which all strata are inclined in the same direction pitchedset at a slant salientrepresented as leaping (rampant but leaning forward) sidelonginclining or directed to one side skew, skewedhaving an oblique or slanting direction or position obliqueslanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled 3adj extremely steep the great perpendicular face of the cliff Syn steep having a sharp inclination 4n a straight line at right angles to another line Hyper straight line a line traced by a point traveling in a constant direction; a line of zero curvature 5n a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point Syn|Hypo|Hyper plumb line lead line, sounding line (nautical) plumb line for determining depth plumb rulea plumb line attached to a narrow board cord a line made of twisted fibers or threads 6n an extremely steep face Hyper face a vertical surface of a building or cliff 7n a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting Syn|Hypo|Hyper English-Gothic, English-Gothic architecture, perpendicular style Tudor architecture a style of English-Gothic architecture popular during the Tudor period; characterized by half-timbered houses Gothic, Gothic architecture a style of architecture developed in northern France that spread throughout Europe between the 12th and 16th centuries; characterized by slender vertical piers and counterbalancing buttresses and by vaulting and pointed arches |
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