ELEMENTARY PARTICLE
\ˌɛlɪmˈɛntəɹi pˈɑːtɪkə͡l], \ˌɛlɪmˈɛntəɹi pˈɑːtɪkəl], \ˌɛ_l_ɪ_m_ˈɛ_n_t_ə_ɹ_i p_ˈɑː_t_ɪ_k_əl]\
Definitions of ELEMENTARY PARTICLE
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By Princeton University
By DataStellar Co., Ltd
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Individual components of atoms, usually subatomic; subnuclear particles are usually detected only when the atomic nucleus decays and then only transiently, as most of them are unstable, often yielding pure energy without substance, i.e., radiation.
By DataStellar Co., Ltd
