stratum

Pronunciation

• (UK) IPA ^(key): /ˈstrɑː.təm/ or /ˈstreɪ.təm/
• (US) IPA ^(key): /ˈstreɪ.təm/ or [ˈstreɪ.ɾəm] or /ˈstræt.əm/ or [ˈstræɾ.əm]
• (AU) IPA ^(key): /ˈstraː.təm/

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Noun

Singular stratum

Plural stratums or strata

1. (countable) A stratum is a series of layers of rock arranged one on top of another.