If someone keeps a vigil or keeps vigil somewhere, they remain there quietly for a period of time, especially at night, for example because they are praying or are making a political protest. â¦ keep vigil phrase V inflects, usu PHR prep/adv.
SEBS stands for Styrene Ethylbutylene Styrene (elastomeric material) Suggest new definition. This definition appears very rarely and is found in the following Acronym Finder categories: Science, medicine, engineering, etc.
Part of the Electronics glossary: A printed circuit board (PCB) is the board base for physically supporting and wiring the surface-mounted and socketed components in most electronics.CBs can be single-layer for simple electronic devices. Printed circuit boards for complex hardware, such as computer graphics cards and motherboards, may have up to twelve layers. PCBs are most often green but they can come in any color.