adj, name, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of nonthermal plasma. abbreviation, alt-of, countable, initialism, uncountable
2. 2
   Abbreviation of nuclear thermal propulsion. abbreviation, alt-of, countable, uncountable
3. 3
   Initialism of normal temperature and pressure. abbreviation, alt-of, countable, initialism, uncountable

Adjective

1. 1
   Initialism of not to press: applied to shares sold to a broker who agrees that delivery may be delayed. abbreviation, alt-of, initialism, not-comparable

Proper Noun

1. 1
   Initialism of Network Time Protocol. abbreviation, alt-of, initialism

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