a pipe that has several lateral outlets to or from other pipes
a set of points such as those of a closed surface or an analogue in three or more dimensions
many and varied; having many features or forms; "manifold reasons"; "our manifold failings"; "manifold intelligence"; "the multiplex opportunities in high technology"
the product of a quantity by an integer; "36 is a multiple of 9"
having or involving or consisting of more than one part or entity or individual; "multiple birth"; "multiple ownership"; "made multiple copies of the speech"; "his multiple achievements in public life"; "her multiple personalities"; "a pineapple is a multiple fruit"
deliberately deviating from what is good; "there will always be a few people who, through macho perversity, gain satisfaction from bullying and terrorism"
having an indicated pole (as the distinction between positive and negative electric charges); "he got the polarity of the battery reversed"; "charges of opposite sign"
a focussed comparison; bringing together for a careful comparison
the act of hostile groups opposing each other; "the government was not ready for a confrontation with the unions"; "the invaders encountered stiff opposition"
a hostile disagreement face-to-face
discord resulting from a clash of ideas or opinions
a conflict of opposed ideas or attitudes or goals; "a collision of interests"
an accident resulting from violent impact of a moving object; "three passengers were killed in the collision"; "the collision of the two ships resulted in a serious oil spill"
(physics) an brief event in which two or more bodies come together; "the collision of the particles resulted in an exchange of energy and a change of direction"