Rp-1

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Initialism of rocket propellant 1 (a highly refined kerosene; usually used in combination with LOX). abbreviation, alt-of, initialism, uncountable

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