optically transparent medium

adenocarcinomatosis anode switch buy-and-holds cross spar buoy equalizing orifice error recording Festuca arundinacea gutshall isopropyl-urea moving stair polarity coincidence correlator psalmodicon retrace brightening Salornay-sur-Guye single-drum winch sufyan tracer gas technique truefast urge sb to a task xenon electronic flash lamp