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.
Definition of projector. 1  1 : one that plans a project; specifically : promoter. 2  2 : one that projects: such asa : a device for projecting a beam of lightb : an optical instrument for projecting an image upon a surfacec : a machine for projecting motion pictures on a screen. 3 : an imagined line from an object to a surface along which projection takes place.