(noun.) a pipe that has several lateral outlets to or from other pipes.
(noun.) a set of points such as those of a closed surface or an analogue in three or more dimensions.
(verb.) make multiple copies of; 'multiply a letter'.
(adj.) many and varied; having many features or forms; 'manifold reasons'; 'our manifold failings'; 'manifold intelligence'; 'the multiplex opportunities in high technology' .
亨廷顿编辑
黛尔编辑