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propulsion
propyl
propyl alcohol
propylaeum
propylene
propylene glycol
propylene oxide
propylon
prorate
prorogue
pros.
pros and cons
Pros. Atty.
prosaic
prosaism
prosauropod
proscenium
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prorate

pro·rate [ prō ráyt ] (past and past participle pro·rat·ed, present participle pro·rat·ing, 3rd person present singular pro·rates)


transitive and intransitive verb 
Definition:
 
calculate in proportion: to calculate, divide, or distribute something on a pro rata basis

[Mid-19th century. <pro rata]

pro·rat·a·ble adjective
pro·ra·tion noun
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