[′päl·i‚glī‚kȯl dī′stir‚āt] (organic chemistry) (C17H35)2CO2CO(CH2CH2O)xAn off-white, soft solid with a melting point of 43°C; soluble in chlorinated solvents, acetone, and light esters; used as a resin plasticizer. Also known as polyethylene glycol distearate.