manifolds

Noun

• a pipe that has several lateral outlets to or from other pipes
• a lightweight paper used with carbon paper to make multiple copies
  • "an original and two manifolds"
• a set of points such as those of a closed surface or an analogue in three or more dimensions
• plural of manifold

Verb

• make multiple copies of
• combine or increase by multiplication

Synonyms

manifold, manifold paper, multiply