Definition of pipsyl in English:

pipsyl

(also PIPSYL)

noun

Chemistry
  • The radical p-iodophenylsulphonyl, I—C₆H₄—SO₂—, compounds of which are used as radioactive labels. Usually attributive.

Origin

1940s; earliest use found in Journal of the American Chemical Society. From p + the initial letters of iodo- and phenyl + s- and -yl.

Pronunciation

pipsyl

/ˈpɪpsɪl//ˈpɪpsʌɪl/