posigrade

English

Etymology

From posi- +‎ -grade (direction).

Noun

posigrade (plural posigrades)

  1. (aerospace, astronautics) A small rocket that gives additional forward thrust.

Adjective

posigrade (comparative more posigrade, superlative most posigrade)

  1. (astronomy, astronautics) Synonym of prograde.

Anagrams