I. WORDS EXPRESSING ABSTRACT RELATIONS
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Quadruplication.[Verbs] multiply by four, quadruplicate, biquadrate.
[Adjectives] fourfold; quadrable, quadrumanous, quadruple, quadruplicate, quadrible; fourth.
quadrifoliate, quadrifoliolate, quadrigeminal, quadrigeminate, quadriplanar, quadriserial.