Word.ws English Dictionary

Plural of hypothesis

irregular plural

The plural of hypothesis is hypotheses.

Forms of hypothesis

Singularhypothesis /haɪˈpɒθɪsɪs/
Pluralhypotheses /haɪˈpɒθəˌsiːz/
Countablecountable

Hypotheses in a sentence

  • One aspect of a proper understanding of the word "hypothesis," as used in science, is that only a vanishingly small percentage of hypotheses could ever potentially become a theory.2005, Ronald H. Pine, http://www.csicop.org/specialarticles/show/intelligent_design_or_no_model_creationism, 15 October 2005
  • Among these several hypotheses, the one judged as most likely was our working hypothesis during the autumn semester.From the entry working hypothesis
  • These findings suggest several testable hypotheses vis-à-vis the role of nc-RNAs in the regulation of F8 expression.2015 July 16, “Small ncRNA Expression-Profiling of Blood from Hemophilia A Patients Identifies miR-1246 as a Potential Regulator of Factor…. From the entry vis-à-vis
  • Charles Darwin once described his own brain as a machine for churning out hypotheses.2015, Steve Silberman, chapter 1, in Megan Newman, editor, NeuroTribes: The Legacy of Autism and the Future of Neurodiversity, New York…. From the entry rhapsodic
  • The competing hypotheses of simple and complex urbilaterians are still being debated at the time of writing.2011, Wallace Arthur, Evolution: A Developmental Approach, unnumbered page. From the entry urbilaterian

Meaning of hypothesis

  1. noun A tentative conjecture explaining an observation, phenomenon or scientific problem and that can be tested by further observation, investigation, or experimentation.
  2. noun An assumption taken to be true for the purpose of argument or investigation.
  3. noun The antecedent of a conditional statement.

Full definition of hypothesis

Nouns ending in -is: plural -es

Questions about the plural of hypothesis

What is the plural of hypothesis?
The plural of hypothesis is hypotheses.
Is hypothesis countable?
Hypothesis is a countable noun.

Source and license

Adapted from Wiktionary: hypothesis (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of hypothesis.” Word.ws, https://word.ws/plural/hypothesis. Based on Wiktionary, CC BY-SA 4.0.