English

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Etymology

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Blend of penicillin +‎ lactam.

Noun

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penam (plural penams)

  1. (organic chemistry) A bicyclic ring system containing a beta-lactam moiety fused with a five-member thiazolidine ring; the common core skeleton of the penicillin subclass of beta-lactam antibiotics.
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Latin

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Noun

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pēnam

  1. accusative singular of pēna

Portuguese

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Verb

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penam

  1. third-person plural present indicative of penar

Yogad

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Noun

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penam

  1. habit; custom