Definition of lactam in English:

lactam

Line breaks: lac¦tam
Pronunciation: /ˈlaktam
 
/

noun

Chemistry
  • An organic compound containing an amide group —NHCO— as part of a ring.
    More example sentences
    • Among studies with different lactams, the monotherapy lactam provided broader coverage than the combination lactam in 13 studies, the opposite occurring in two studies.
    • We included nine randomised controlled trials eight of which compared a lactam antibiotic with a lactam and aminoglycoside.
    • It consists of a nitrogen mustard (alkylating molecule) bound to a modified steroid, a lactam, characterized by the group - CO-NH, via a phenylacetic bond and has been synthesized in pure form.

Origin

late 19th century: blend of lactone and amide.

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Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody