Associations to the word «Substituent»

Wiktionary

SUBSTITUENT, noun. (chemistry) any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed
SUBSTITUENT, noun. (grammar) pro-form

Wise words

Four things come not back. The spoken word, the sped arrow, the past life, ad the neglected opportunity.
Arabian Proverb