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hypothesis

nounattested in dialogue

  • United Kingdom//haɪˈpɒθɪsɪs//
  • United Kingdom//hɪˈpɒθɪsɪs//
  • United Kingdom//həˈpɒθɪsɪs//
  • United Kingdom//-əsəs//
  • United Kingdom//-əsɪs//

A tentative conjecture explaining an observation, phenomenon or scientific problem and that can be tested by further observation, investigation, or experimentation.

noun

  1. 1

    A tentative conjecture explaining an observation, phenomenon or scientific problem and that can be tested by further observation, investigation, or experimentation.

    This hypothesis goes by many names, including group resistence, the threshold effect, and the gender paradox. Because the hypothesis holds such wide appeal, it is worth revisiting the logic behind it. The hypothesis is built on the factual observation that fewer females than males act antisocially.

  2. 2

    An assumption taken to be true for the purpose of argument or investigation.

  3. 3

    The antecedent of a conditional statement.

Etymology

Recorded since 1596, from Middle French hypothese, from Late Latin hypothesis, from Ancient Greek ὑπόθεσις (hupóthesis, “base, basis of an argument, supposition”, literally “a placing under”), itself from ὑποτίθημι (hupotíthēmi, “to set before, suggest”), from ὑπό (hupó, “below”) + τίθημι (títhēmi, “to put, place”). Compare hypothec.

Forms

plural
hypotheses
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).