hypothesis

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hy·poth·e·sis

(hī-pŏth′ĭ-sĭs)

n. pl. hy·poth·e·ses (-sēz′)

1. A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation.

2. Something taken to be true for the purpose of argument or investigation; an assumption.

3. The antecedent of a conditional statement.

[Latin, subject for a speech, from Greek hupothesis, proposal, supposition, from hupotithenai, hupothe-, to suppose : hupo-, hypo- + tithenai, to place; see dhē- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hypothesis

(haɪˈpɒθɪsɪs)

n, pl -ses (-ˌsiːz)

1. a suggested explanation for a group of facts or phenomena, either accepted as a basis for further verification (working hypothesis) or accepted as likely to be true. Compare theory⁵

2. an assumption used in an argument without its being endorsed; a supposition

3. (Logic) an unproved theory; a conjecture

[C16: from Greek, from hupotithenai to propose, suppose, literally: put under; see hypo-, thesis]

hyˈpothesist n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

hy•poth•e•sis

(haɪˈpɒθ ə sɪs, hɪ-)

n., pl. -ses (-ˌsiz)

1. a provisional theory set forth to explain some class of phenomena, either accepted as a guide to future investigation (working hypothesis) or assumed for the sake of argument and testing.

2. a proposition assumed as a premise in an argument.

3. the antecedent of a conditional proposition.

4. a mere assumption or guess.

[1590–1600; < Greek hypóthesis basis, supposition = hypo(ti)thé(nai) to assume, suppose (hypo- hypo- + tithénai to put, place) + -sis -sis]

hy•poth′e•sist, n.

syn: See theory.

hy·poth·e·sis

(hī-pŏth′ĭ-sĭs)

Plural hypotheses (hī-pŏth′ĭ-sēz′)

A statement that explains a set of facts and can be tested to determine if it is false or inaccurate.

Usage The words hypothesis, law, and theory refer to different kinds of statements that scientists make about natural phenomena. A hypothesis is a statement that attempts to explain a set of facts. It forms the basis for an experiment that is designed to test whether it is true. Suppose your friend Smedley's room is a mess; your hypothesis might be that Smedley makes the room messy. You could test this hypothesis with an experiment: tidy up the room and see if it becomes messy again after Smedley returns. A scientific law is a statement that is believed to be true all the time for a set of conditions. If Smedley's room is always a mess when he is in it, you might propose a "Smedley's Mess Law" stating that whenever Smedley is in his room, he will always make it messy. Laws have the power to predict what will happen under the conditions they apply to. Thus, "Smedley's Mess Law" predicts that Smedley's room will be messy anytime Smedley is in it. A theory is a set of principles or statements devised to explain a whole group of observations or phenomena. A theory thus tries to account for a wider variety of events than a law does. Broad acceptance of a theory comes when it has been repeatedly tested experimentally on new data and makes accurate predictions about them. If people noticed that it became messy everywhere Smedley went, it might lead to the theory that Smedley brings messiness wherever he goes. This theory could be tested by bringing Smedley somewhere he's never been.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hypothesis

1. a principle or proposition that is assumed for the sake of argument or that is taken for granted to proceed to the proof of the point in question.
2. a system or theory created to account for something that is not understood. — hypothesist, hypothetist, n. — hypothetic, hypothetical, adj.

hypothesis

A suggested explanation for events and phenomena.

ThesaurusAntonymsRelated WordsSynonymsLegend:

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Noun	1.	hypothesis - a proposal intended to explain certain facts or observations proposal - something proposed (such as a plan or assumption)
	2.	hypothesis - a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices" theory, possibility concept, conception, construct - an abstract or general idea inferred or derived from specific instances hypothetical - a hypothetical possibility, circumstance, statement, proposal, situation, etc.; "consider the following, just as a hypothetical" gemmule - the physically discrete element that Darwin proposed as responsible for heredity framework, model, theoretical account - a hypothetical description of a complex entity or process; "the computer program was based on a model of the circulatory and respiratory systems" conjecture, speculation - a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence); "speculations about the outcome of the election"; "he dismissed it as mere conjecture" supposal, supposition, assumption - a hypothesis that is taken for granted; "any society is built upon certain assumptions" theory - a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena; "theories can incorporate facts and laws and tested hypotheses"; "true in fact and theory" historicism - a theory that social and cultural events are determined by history
	3.	hypothesis - a message expressing an opinion based on incomplete evidence guess, speculation, supposition, surmisal, surmise, conjecture opinion, view - a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof; "his opinions appeared frequently on the editorial page" divination - successful conjecture by unusual insight or good luck

hypothesis

noun theory, premise, proposition, assumption, thesis, postulate, supposition, premiss Different hypotheses have been put forward.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

hypothesis

noun

A belief used as the basis for action:

theory.

Translations

إفْتِراض، فَرَضِيَّهفرضية

hypotézadomněnka

hypotese

Hypothese

υπόθεση

hipótesis

hypoteesiolettamusotaksuma

hypothèse

hipotézis

tilgáta

ipotesi ipotetico

仮定仮設仮説

hipotetinishipotetiškaihipotezė

hipotēze

hypothese stelling veronderstelling

hypotese

hipótese

гипотеза предположение

hypotéza

hipotez varsayım

假定假想假设

hypothesis

[haɪˈpɒθɪsɪs] N (hypotheses (pl)) [haɪˈpɒθɪsiːz] → hipótesis f inv

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

hypothesis

[haɪˈpɒθɪsɪs] [hypotheses] [haɪˈpɒθɪsiːz] (pl) n → hypothèse f

hypothesis

n pl <hypotheses> → Hypothese f, → Annahme f; working hypothesis → Arbeitshypothese f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

hypothesis

[haɪˈpɒθɪsɪs] n (hypotheses (pl)) [haɪˈpɒθɪsiːz] → ipotesi f inv

hypothesis

(haiˈpoθəsis) – plural hyˈpotheses (-siːz) – noun

an unproved theory or point of view put forward, eg for the sake of argument.

hypothetical (haipəˈθetikəl) adjective

imaginary; supposed.

hypothetically (haipəˈθetikəli) adverb

hy·poth·e·sis

n. hipótesis, suposición asumida en el desarrollo de una teoría.

References in periodicals archive ?

Thus, it was essential to decrease the GC content and change of corresponding nucleotides of oligos according to the wobble hypothesis approach.

By using the wobble hypothesis approach in primer designing, we were able to tackle the ongoing amplification problem associated with complicated gene of Mycobacterium with high GC content.

Primer based approach for PCR amplification of high GC content gene: mycobacterium gene as a model