posigrade rocket

pos·i·grade rock·et

P p

Definition of posigrade rocket words

noun posigrade rocket an auxiliary rocket used to separate the sections of a multistage rocket, fired in the direction of flight. 1

before 1960

One of the 3% newest English words

1960-65; posi(tive) + -grade (perhaps modeled on retrograde)

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

This diagram is provided by Google Ngram Viewer

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