beta-lactam

English dictionary entry

Meanings

noun

A lactam having a four-membered ring structure; a structural element of many antibiotics such as penicillin.

Word forms

beta-lactam beta-lactams β-lactam betalactam

Etymology

Etymology tree Proto-Semitic *bayt- Phoenician 𐤁𐤕 (bt)bor. Ancient Greek βῆτᾰ (bêtă)bor. English beta Latin lacder. English lacto- German Ketonbor. English ketone English -one English lactone Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idusder. English -ide English amide English lactam English beta-lactam From beta + lactam, where beta refers to the position of the carbon atom to which the nitrogen is attached.

Related words

alpha-lactam penam

Derived words

beta-lactamase beta-lactamic monobactam

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