coalescence n 1: the union of diverse things into one body or form or group; the growing together of parts [syn: {coalescence}, {coalescency}, {coalition}, {concretion}, {conglutination}]
Coalescence \Co`a*les"cence\, n. The act or state of growing together, as similar parts; the act of uniting by natural affinity or attraction; the state of being united; union; concretion. [1913 Webster]