sub·nu·cle·ar
| \ ˌsəb-ˈnü-klē-ər
, -ˈnyü-, nonstandard -kyə-lər \
, -ˈnyü-, nonstandard -kyə-lər \
Definition of subnuclear
: of, relating to, or being a particle smaller than the atomic nucleus
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“Subnuclear.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subnuclear. Accessed 3 Jul. 2022.
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Time Traveler for subnuclear
The first known use of subnuclear was in 1937
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