noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of negative pressure ventilation. abbreviation, alt-of, initialism, uncountable
2. 2
   Initialism of negative pressure ventilator. abbreviation, alt-of, countable, initialism
3. 3
   Initialism of net present value. abbreviation, alt-of, countable, initialism, uncountable

Synonyms

All synonyms

iron lungnet present valuepulmotor

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.