Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of, relating to, or resembling a line; straight.
  • adjective In, of, describing, described by, or related to a straight line.
  • adjective Having only one dimension.
  • adjective Characterized by, composed of, or emphasizing drawn lines rather than painterly effects.
  • adjective Botany Narrow and elongated with nearly parallel margins.

from The Century Dictionary.

  • Of or pertaining to a line or lines; composed or consisting of lines: as, linear drawing; linear perspective.
  • Relating to length only; specifically, in mathematics and physics, involving measurement in one dimension only, or a sum of such measurements; involving only straight lines; unidimensional; of the first degree: as, linear numbers; linear measure.
  • In bot., zoöl, and anatomy, like a line or thread; slender; very narrow and elongate: as, a linear leaf.
  • In prosody, consisting in or pertaining to a succession of single verses all of the same rhythm and length; stichic: as, linear composition; “Paradise Lost” is linear in composition.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Of or pertaining to a line; consisting of lines; in a straight direction; lineal.
  • adjective (Bot.) Like a line; narrow; of the same breadth throughout, except at the extremities.
  • adjective Thinking in a step-by-step analytical and logical fashion; contrasted with holistic, i.e. thinking in terms of complex interrelated patterns.
  • adjective (Math.) an equation which is of the first degree, when the expression which is equated to zero is regarded as a function of the dependent variable and its differential coefficients.
  • adjective (Math.) an equation of the first degree between two variables; -- so called because every such equation may be considered as representing a right line.
  • adjective the measurement of length.
  • adjective (Math.) such numbers as have relation to length only: such is a number which represents one side of a plane figure. If the plane figure is square, the linear figure is called a root.
  • adjective (Geom.) a problem which may be solved geometrically by the use of right lines alone.
  • adjective (Alg.) a change of variables where each variable is replaced by a function of the first degree in the new variable.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Having the form of a line; straight.
  • adjective Of or relating to lines.
  • adjective Made in a step-by-step, logical manner.
  • adjective botany, of leaves Long and narrow, with nearly parallel sides.
  • adjective mathematics Of or relating to a class of polynomial of the form .
  • adjective physics A type of length measurement involving only one spatial dimension (as opposed to area or volume).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective measured lengthwise
  • adjective designating or involving an equation whose terms are of the first degree
  • adjective of or in or along or relating to a line; involving a single dimension
  • adjective (of a leaf shape) long and narrow
  • adjective of a circuit or device having an output that is proportional to the input

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin līneāris, from līnea, line; see line.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin linearis, from linea ("line") + -aris (adjectival suffix).

Examples

  • "The term linear just means that each output bit of the mixing function is the XOR of several of the input bits.",

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  • If you think in linear algebra terms, the linear system is the addition operator, and the non-linear system is the multiplier (cross product in this case):

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  • Add into the mix the fact that the story is not told in linear time – the first half of the book is working backwards into history, while the second half works forwards into the future – and you start to see the complexity of writing like this.

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  • Astronomers really do measure the moisture content of the atmosphere in linear units (though not in hairs), because what they care about is the total amount of water above the telescope, not the humidity (and certainly not the relative humidity).

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  • Analysis of discontinuities in linear memory indicate the effects of a large, quick EM pulse.

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  • Anthropologists get bound up in linear social progression to such an extent that knob-gourds are interpreted as meaning/representing all sorts of crazy things, when in reality they just make the wearer feel, you know, sexy.

    Cheeseburger Gothic » Yes I get ffkn grmpy whn I’m on fkn deadline.

  • Analysis of discontinuities in linear memory indicate the effects of a large, quick EM pulse.

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  • The relationship between height and water pressure in linear and follows the relationship of 1 psi (pounds per square inch) = 2.308 feet of water (27. 7 inches) therefore a typical one-storey home with a roof tank mounted on the roof will have the water level in the tank approximately 4.5 metres (177.2 inches) above the ground.

    Water distribution systems

  • The relationship between height and water pressure in linear and follows the relationship of 1 psi (pounds per square inch) = 2.308 feet of water (27. 7 inches) therefore a typical one-storey home with a roof tank mounted on the roof will have the water level in the tank approximately 4.5 metres (177.2 inches) above the ground.

    Water distribution systems

  • This is said to show the true sequence of recorded events in linear time, presumably on the grounds that Spanish loan words and intrusions would become more common in later chronicles.

    Primary sources of Maya history - part one

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