作さ業ぎょう仮か説せつ

noun

working hypothesis

A provisional assumption used as a starting point for research or planning, subject to revision.

• この研けん究きゅうでは、まず作さ業ぎょう仮か説せつを立たててから実じっ験けんを始はじめた。

  In this research, we first set up a working hypothesis and then began the experiment.