substituent

noun — 2 senses

substituent

noun

[sʌbˈstɪtʃuənt]

1

Chemistry, Natural sciences, Physical sciences Any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed.

  • Other highly effective heterocyclic substituents were pyrazinyl and quinoxalyl.1951, Apollonia Frances Olson, Helen G. Tibbitts, A Study of Head Nurse Activities in a General Hospital, 1950, page 163:
  • From ethyleneoxides or ethyleneimines carrying an acyl substituent, with hydrazine and its derivatives (Ch. 3. XV).2009, Richard H. Wiley, Pyrazoles and Reduced and Condensed Pyrazoles, Volume 22, page 387:
1 more example
  • In a recent paper on homopyrimidine decamers containing aeg-monomers and thymine monomers with a sulfomethyl substituent at the γ-position, similar triplexes has also been described [43 ].2015 October 16, “Polyanionic Carboxyethyl Peptide Nucleic Acids ( ce -PNAs): Synthesis and DNA Binding”, in PLOS ONE, →DOI:
2

Grammar, Human sciences, Linguistics, Sciences Pro-form.

Derived terms
disubstituent, multisubstituent
Related terms
constituent, substitute

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.