Zirconia, when heated to whiteness, remains unfused, and radiates a fine white light, which suggested its utilization for making incandescent gas mantles; and, in the form of disks, as a substitute for the lime-cylinders ordinarily employed in limelight.
Radiates הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד