/puy ree"throyd, -reth"royd/ , n. Chem.
any of several synthetic compounds that are similar to but more persistent than natural pyrethrins.
[ 1950-55; PYRETHR(IN) + -OID ]
/puy ree"throyd, -reth"royd/ , n. Chem.
any of several synthetic compounds that are similar to but more persistent than natural pyrethrins.
[ 1950-55; PYRETHR(IN) + -OID ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012