mullion Definition

casement, casement window, pilaster, louver, gothic arch, fanlight, corbel, clerestory, pelmet, wainscot, baseboard, microswitch, countersunk, mortice, trunnion, watchcase, handwheel, prestressed, backplate, louvre, volute, chamfer, busbar, swage, baseplate, sunblind, ogee, baluster, keyways, jambs, tenons, flanges, tailstock, diffusor, platens, facia, corrugation, escutcheons, strake, subminiature, superheater, bedplate, bypass capacitor, foglamp, hoistway, variable resistor, rotary actuator, stiffener, tappet, dentil, troffer, mountable, lamella, iris diaphragm, pintle, rotor shaft, quoins, collet, shimming, phosphor bronze, gusseted, coiler, arresters, concentricity, omnidirectional antenna, insertable, weldment, thumbscrew, plexiglas, sleeving, openwork, floor joist, detents, coving, underfloor, dipole antenna, gable roof, cermet, piston rod, brightwork, hex nut, mandrels, aerofoils, inductances, voltage divider, annunciators, triode, keyway, notcher, sheave, mortise, inglenook, spandrels, synchroniser, nosepiece, fascia, zener diode, soleplate, phototransistor, lintels,