tetramethyl

a. [化]四甲基的

释义与例句

n.
  1. 1.

    (in combination) Four methyl groups in a molecule.

    不可数 化学

词源

Etymology tree Proto-Indo-European *kʷetwóres Proto-Hellenic *kʷétwores Ancient Greek τέσσᾰρες (téssăres) Ancient Greek τετρᾰ- (tetră-)bor. English tetra- Proto-Indo-European *médʰu Proto-Hellenic *métʰu Ancient Greek μέθῠ (méthŭ) Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Methylbor. English methyl English tetramethyl From tetra- + methyl.

来源：wiktionary