secondary atelectasis n.
Pulmonary collapse, particularly of a newborns due to hyaline membrane disease or elastic recoil of the lungs while the infant is actually dying from other causes.
- Secondary axis
secondary axis n. Any of several hypothetical lines passing through the optical center of a lens.
noun 1. storage battery.
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.