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Merriam-Webster's Collegiate Dictionary Axisadjective DATE 1938
: of or relating to the three powers Germany, Italy, and Japan engaged against the Allied nations in World War II ax·is \\ˈak-səs\\ noun ( plural ax·es \\-ˌsēz\\) ETYMOLOGY Latin, axis, axle; akin to Old English eax axis, axle, Greek axōn, Lithuanian ašis, Sanskrit akṣaḥ
DATE 14th century
1. a. a straight line about which a body or a geometric figure rotates or may be supposed to rotate b. a straight line with respect to which a body or figure is symmetrical — called also axis of symmetry c. a straight line that bisects at right angles a system of parallel chords of a curve and divides the curve into two symmetrical parts d. one of the reference lines of a coordinate system2. a. the second vertebra of the neck on which the head and first vertebra turn as on a pivot b. any of various central, fundamental, or axial parts3. a plant stem4. one of several imaginary lines assumed in describing the positions of the planes by which a crystal is bounded and the positions of atoms in the structure of the crystal5. a main line of direction, motion, growth, or extension6. a. an implied line in painting or sculpture through a composition to which elements in the composition are referred b. a line actually drawn and used as the basis of measurements in an architectural or other working drawing7. any of three fixed lines of reference in an aircraft that run in the longitudinal, lateral, and vertical directions, are mutually perpendicular, and usually pass through the aircraft's center of gravity8. partnership , alliance 9. a point or continuum on which something centers an axis of social power
axis 1540s, "imaginary straight line around which a body (such as the Earth) rotates," from L. axis "axle, pivot, axis of the earth or sky," from PIE *aks- "axis" (cf. O.E. eax, O.H.G. ahsa "axle;" Gk. axon "axis, axle, wagon;" Skt. aksah "an axle, axis, beam of a balance;" Lith. aszis "axle"). Fig. sense in world history of "alliance between Germany and Italy" (later extended to include Japan) is from 1936. Original reference was to a "Rome-Berlin axis" in central Europe. The word later was used in ref. to a London-Washington axis (World War II) and a Moscow-Peking axis (early Cold War).
Oxford Collocations Dictionary for Students of English Oxford Collocations dictionary for students of Englishaxis noun ADJ. horizontal, vertical | x, y, z PREP. along an/the ~ the wage is measured along the horizontal axis | on an/the ~ The earth spins on its axis. PHRASES an axis of rotation the earth's axis of rotation | an axis of symmetry Oxford Advanced Learner's Dictionary-牛津双解-OALD7 axisaxis / 5Aksis / noun(pl. axes / 5Aksi:z / ) 1. an imaginary line through the centre of an object, around which the object turns 轴(旋转物体假想的中心线): Mars takes longer to revolve on its axis than the earth. 火星自转一周的时间比地球长。 2. (technical 术语) a fixed line against which the positions of points are measured, especially points on a graph (尤指图表中的)固定参考轴线,坐标轴: the vertical / horizontal axis 纵/横坐标轴 3. (geometry 几何) a line that divides a shape into ten equal parts 对称中心线(将物体平分为二): an axis of symmetry 对称轴 The axis of a circle is its diameter. 圆的对称中心线就是直径。 4. [usually sing.] ( formal) an agreement or alliance between ten or more countries 轴心(国与国之间的协议或联盟): the Franco-German axis 法德轴心
Webster's Third New International Dictionary, Unabridged Search result show the entry is found in: macro-axis , or magnetic axis , or major axis , or minor axis , or neural axis , or neutral axis , or off-axis reflector , or axis cylinder , or axis cylinder process , or axis of abscissas , or axis of a curve , or axis of a lens , or axis of an airfoil , or axis of ordinates , or axis of rotation , or axis of symmetry , or optical axis , or optic axis , or permanent axis , or pervalvar axis , or polar axis , or primitive axis , or principal axis , or radical axis , or rotary reflection axis , or rotation axis , or rotatory reflection axis , or rotoflection axis , or secondary axis , or semimajor axis , or semiminor axis , or spiral axis , or transverse axis , or twin-axis , or visual axis , or x-axis , or y-axis , or z-axis , or zone axis , or axis deer , or cerebrospinal axis , or conjugate axis , or declination axis , or egg axis ax·isI. \ˈaksə̇s\ noun( plural ax·es \-kˌsēz\) Etymology: Latin, axis, axle; akin to Old English eax axis, axle, Old High German ahsa, Old Norse öxull axle, Latin ala wing, axilla armpit, Greek axōn axle, axis, Sanskrit akṣa axle, axis, Latin agere to drive — more at agent 1. a. : a straight line about which a body or a 3-dimensional figure rotates or may be supposed to rotate < the earth's axis > b. : a straight line with respect to which a body, figure, or system of points is either radially or bilaterally symmetrical < the axis of a cone > c. : a straight line about which a line, curve, or plane figure is conceived to revolve in generating a solid of revolution < the axis of a hyperboloid > d. : one of the reference lines of a coordinate system < the X axis of a rectangular coordinate system >2. archaic : the axle of a wheel 3. a. (1) : the second vertebra of the neck of the higher vertebrates that is prolonged anteriorly within the foramen of the first vertebra and united with the odontoid process which serves as a pivot for the atlas and head to turn upon — called also epistropheus (2) : the first vertebra of amphibians b. : any of various central, fundamental, or axial parts < the cerebrospinal axis > < the skeletal axis > c. : axilla 4. : the median lobe of a trilobite 5. : the stem of a plant : the longitudinal support on which organs are arranged often including also the root, especially a taproot : the hypothetical central line of any body or organ < the axis of a stem, petiole, or inflorescence >6. : one of several imaginary lines assumed in describing the positions of the planes by which a crystal is bounded, the positions of atoms in the structure of the crystal, and the directions associated with vectorial and tensorial physical properties 7. : a main line of direction, motion, growth, or extension < the axis of a city >8. a. : a line following the crest of a ridge or mountain range or the bottom of a depression in the earth's surface: as (1) : the crest line of an anticline < anticlinal axis > (2) : the trough line of a syncline < synclinal axis > b. : the average direction of current at flood or ebb tide < flood axis > < ebb axis >9. a. in painting and sculpture : an implied line through a composition to which elements in the composition are referred < fruit and flowers arranged about a diagonal axis > b. : a line actually drawn and used as the basis of measurements in an architectural or other working drawing 10. : any of three fixed lines of reference in an aircraft, usually centroidal and mutually perpendicular, (1) one being the principal longitudinal line in the plane of symmetry, (2) one being perpendicular to this in the plane of symmetry, (3) one being perpendicular to the other two — called also respectively (1) longitudinal axis, (2) normal axis, (3) lateral axis11. dancing a. : the part of the body around which movements center and revolve b. : the person, object, or imaginary line around which the dancers and dance patterns evolve or revolve 12. a. : an agreement entered into by two or more powers to demonstrate their solidarity of interest and to insure a common front and mutual support in foreign policies < the Nazi-Fascist axis > b. : the countries adhering to such an agreement < in the hope that either China or the London-Washington Axis … would listen — Time >13. : any agreement of two or more in a common objective : partnership , alliance < this unhealthy axis… made it so difficult to bring any real democratic reform to the graft-ridden docks — Budd Schulberg >II. nounEtymology: New Latin, from Latin, a wild animal of India 1. also axis deer -es : a deer ( Axis axis) of India and other parts of southern Asia having rusine antlers and white-spotted body 2. capitalized : a genus of Cervidae containing the axis and hog deer
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