Primary anesthetic
primary anesthetic n.
The compound that contributes most to loss of sensation when a mixture of anesthetics is administered.
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primary atelectasis n. Failure of the lungs to expand after birth, as in stillborn infants or in liveborn infants who die before respiration is established. Also called anectasis.
- Primary atypical pneumonia
primary atypical pneumonia n. An acute systemic disease with involvement of the lungs, caused by Mycoplasma pneumoniae and marked by high fever and cough. Also called atypical pneumonia, mycoplasmal pneumonia.
- Primary-beam
noun, Physics. 1. See under secondary beam. secondary beam 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.
- Primary brain vesicle
primary brain vesicle n. See cerebral vesicle.
- Primary cache
hardware, architecture (L1 cache, level one cache) A small, fast cache memory inside or close to the CPU chip. For example, an Intel 80486 has an eight-kilobyte on-chip cache, and most Pentiums have a 16-KB on-chip level one cache that consists of an 8-KB instruction cache and an 8-KB data cache. The larger, slower secondary […]