dīˈakəˌlän, -ələn noun
also di·ach·y·lum -ələm
( plural diachylons also diachy·la -ələ)
Etymology: diachylon from Middle English diaquilon, from Medieval Latin, from Late Latin diachylon, a kind of medicine, from Greek, neuter of diachylos juicy, from dia- + chylos juice; diachylum, New Latin, alteration of Medieval Latin diaquilon — more at chyle
: a plaster that is made of litharge and either olive oil or olive oil and lard and hence consists essentially of lead oleate and small amounts of glycerin and oleic acid and that is used for excoriated surfaces and wounds and as an adhesive