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单词 linear
释义 lin·ear
I. \ˈlinēə(r)\ adjective
Etymology: Latin linearis, from linea line + -aris -ar
1.
 a. : of or relating to a line: as
  (1) : following a straight course : being or going in a straight direction
  (2) of music : horizontal
  (3) of a unit of measure : involving a single dimension : not square or cubic
 b. : consisting of or arranged in a line: as
  (1) : capable of being represented by a straight line on a graph — used of a relationship between two variables such that a change in one is accompanied by a proportional change in the other
   < the relation between urban population percentage and propensity to compete is not linear — V.O.Key >
   < this series of samples may have been drawn from a population in which there is a linear relation between age and height — G.W.Snedecor >
   < many sweeping systems of cosmology have been based on this linear (directly proportionate) relationship between the distance of galaxies and their speed — Time >
  (2) : having or showing a linear relationship
   < instead of a linear trend we find merely temporary fluctuations — P.A.Sorokin >
  (3) of painting : characterized by an emphasis on line; broadly : having forms that are painted flat and evenly and with precise fully indicated outlines
  (4) : consisting of an open and usually long straight chain of atoms
   < a linear molecule >
   < linear polymers >
2.
 a.
  (1) : resembling a line especially in extended length and narrow uniform width : long and slender
   < a wire is a linear conductor >
   < a linear leaf >
   — see leaf illustration
  (2) : intermediate between linear and a specified characteristic — used in combination
   < a linear-ensate leaf >
   < petals linear-obovate >
 b. of a human body : ectomorphic — opposed to lateral
3.
 a. : giving a scale reading directly proportional to the quantity measured — used of a measuring instrument
 b. : being, giving, or involving a response directly proportional to the input — used especially in connection with electronic devices
  < the amplifier must … have a pronounced linear response several octaves greater, in treble and bass, than you require in practical use — David Sarser >
  < the crystal detector is not linear, so that a given increase in rectified current does not indicate a directly proportional increase in field strength — Radio Amateur's Handbook >
4. : of, relating to, or constituting a segmental phoneme
II. adjective
1. : composed of simply drawn lines with little attempt at pictorial representation
 < linear script >
2.
 a. : relating to, concerned with, or influenced by the sequential structure of the printed line
  < linear learning patterns >
 b. : arranged or presented in a logical or temporal sequence
  < linear procedures >
  < the march of events is strictly linear — Robert Towers >
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更新时间:2025/3/10 11:44:37