sub·​de·​ci·​sion ˌsəb-di-ˈsi-zhən How to pronounce subdecision (audio)
variants or sub-decision
plural subdecisions or sub-decisions
: one of a set of relatively small decisions that are involved in making a larger decision
For example, suppose that in a decision problem the contending options are a, b, and c. One subdecision is between a and b. Another subdecision is between b and c. If a is adopted over b, and b is adopted over c, then the combination of subdecisions yields a as the resolution of the overall decision problem. Paul Weirich

Word History

First Known Use

1909, in the meaning defined above

Time Traveler
The first known use of subdecision was in 1909

Dictionary Entries Near subdecision

Cite this Entry

“Subdecision.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2022.

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