noun, Physics. 1. a beam of particles of one kind selected from the group of particles produced when a beam of particles from an accelerator (primary beam) strikes a target.
noun 1. a boycott by union members against their employer in order to induce the employer to bring pressure on another company involved in a labor dispute with the union.
- Secondary cache
memory management (Or “second level cache”, “level two cache”, “L2 cache”) A larger, slower cache between the primary cache and main memory. Whereas the primary cache is often on the same integrated circuit as the central processing unit (CPU), a secondary cache is usually external. (1997-06-25)
- Secondary cartilage
secondary cartilage n. Cartilage, as in certain joints, that changes directly into bone.