EXERCISING
\ˈɛksəsˌa͡ɪzɪŋ], \ˈɛksəsˌaɪzɪŋ], \ˈɛ_k_s_ə_s_ˌaɪ_z_ɪ_ŋ]\
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the activity of exerting your muscles in various ways to keep fit; "the doctor recommended regular exercise"; "he did some exercising"; "the physical exertion required by his work kept him fit"
By Princeton University
Word of the day
Nuclear Fissions
- Nuclear reaction in which the nucleus of heavy atom such as uranium plutonium is split into two approximately equal parts by a neutron, charged particle, or photon.