hypothesis

Pronunciation

• IPA ^(key): /haɪˈpɒθɪsɪs/

• Audio (US)

  (file)

Noun

Singular hypothesis

Plural hypotheses

1. (countable) A hypothesis is a guess about what will happen, usually in scientific experiments.

   We will test the hypothesis that the change will have no effect.

   The results of the experiment support the hypothesis.

2. (uncountable) A guess with no evidence to support it.

   This idea is purely a hypothesis. It has not been proven

Synonyms

• theory
• speculation