See Also: pipsyl(medicine)
pipsyl(dictionary)

impinge (oh) and pipsyl (iou)


impinge (oh)



impinge on/upon / [impinge on/upon sb/sth] phr v
[Date: 1500-1600; Language: Latin; Origin: impingere, from pangere 'to fasten, drive in']
to have a harmful effect on someone or something
::Personal problems experienced by students may impinge on their work.
-- impingement n [U and C]

pipsyl (iou)



pipsyl noun. M20.
[from the chemical name p-iodophenylsulphonyl: see -YL.]
Chemistry. The radical IC6H4SO2, compounds of which are used as radioactive labels. Usu. in comb.