Medical Imaging Devices

noun A stream of electrons emitted by the negative electrode in a vacuum tube or cathode-ray tube.

• The cathode ray tube is a vacuum tube that uses a cathode ray to produce images on a screen.
• I learned about cathode rays in my science class, they're pretty cool.
• I zapped that bug with a cathode ray gun!
• His words hit me like a cathode ray, leaving a lasting impact.

noun a device used to view photographic transparencies or to provide a uniform source of light for viewing negatives or transparencies

• The photographer used a lightbox to showcase his latest collection of images.
• I set up a lightbox to take better pictures of the products I'm selling online.
• I'm loving my new lightbox setup for my photography hobby.
• The artist used lightboxes to illuminate the dark corners of his mind in his latest exhibition.