polychlorinated diphenyl

bug-eye canopy CICT cold water test DC track circuit electromagnetohydrodynamics gerontosexuality homolycorine lindera caudata benth. lithia ceramics magnetic compensating material MURA synchrotron negatum pan rivet head pigment nodules pigmentary degeneration of retina plaster saint pyrite copper ore serum total thyroxine superficial gravity talk behind sb's back