A paronychia is an infection of the skin that surrounds a toenail or fingernail. Acute paronychia â This usually appears as a sudden, very painful area of swelling, warmth and redness around a fingernail or toenail, usually after an injury to the area.
Definition of 'reflector'. reflector (rÉªflektÉÊ³ ) A reflector is a small piece of specially patterned glass or plastic which is fitted to the back of a bicycle or car or to a post beside the road, and which glows when light shines on it. A reflector is a type of telescope which uses a mirror that is shaped like a ball.
1 R: Reflector. 2  RSC: a bulb base design used in halogen work lights such as the rightmost bulb shown in the photos above. 3  The bulb shown is a 100-Watt 120-Volt lamp used in work lights and in outdoor security lights. 4  SB: Silver bowl, which indicates that the bottom of the lamp is opaque and reflects the light upward.