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period [periods]▼(length of time during which something repeats)noun[UK: ˈpɪə.rɪəd] [US: ˈpɪ.riəd]
periodic table▼(tabular chart of the chemical elements)noun[UK: ˌpɪə.rɪ.ˈɒ.dɪk ˈteɪb.l̩] [US: ˌpɪ.ri.ˈɑː.dɪk ˈteɪb.l̩]
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