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one-way

From Wiktionary, the free dictionary
See also: oneway

English

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Etymology

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From one +‎ way. First attested in 1906 in reference to one-way tickets; 1914 in reference to one-way streets; 1940 in reference to one-way mirrors.

Pronunciation

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  • IPA(key): /wʌn.weɪ/, enPR: wŭnʹwāʹ
  • The stress can fall on either syllable, or on each syllable equally, with no distinction in meaning.

Adjective

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one-way (not comparable)

  1. Allowing movement, vision, etc. in only one direction; unidirectional.
    Antonyms: two-way, bidirectional
    one-way mirror
    The town centre is now a system of one-way streets.
    • 2017, Di Zou, James Lambert, “Feedback methods for student voice in the digital age”, in British Journal of Educational Technology, volume 48, number 5, page 1087:
      Traditional feedback collection through pen-and-paper questionnaires and oral reports usually only supplies one-way feedback, from student to teacher.
  2. Allowing travel in only one direction.
    Antonym: return
    I bought a one-way ticket to Leeds.
  3. (computer science) Of a function: easy to compute for every input, but hard to invert given the image of a random input.

Derived terms

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Translations

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Verb

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one-way (third-person singular simple present one-ways, present participle one-waying, simple past and past participle one-wayed)

  1. (agriculture) To use a disc harrow to turn the soil and kill weeds, in preparation for planting seeds.
    • 1935, Report of the Chief of the Soil Conservation Service, page 58:
      Over a period of 10 years, the average yield under stubble-mulch tillage has been 10 percent greater than under one-waying with continuous wheat, and 14 percent greater than under one-waying with wheat on fallow.