intercommunication

n. mutual communication, exchange of ideas; intercom; unobstructed movement to and fro by means of connecting passages

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Noun
1. mutual communication; communication with each other; "they intercepted intercommunication between enemey ships"
(hypernym) communication, communicating
(hyponym) intercourse, social intercourse
(derivation) communicate, intercommunicate

nf. intercommunication, mutual communication, exchange of ideas; unobstructed movement to and fro by means of connecting passages

(n.)
Mutual communication.
  

Synonyms and related words:
ESP, agglomeration, agglutination, aggregation, alternation, answer, articulation, bond, bracketing, clustering, coaction, collegiality, combination, commerce, communication, communion, community, complementary distribution, concatenation, concourse, concurrence, confluence, congeries, conglomeration, congress, conjugation, conjunction, connection, contact, convergence, conversation, converse, cooperation, copulation, correspondence, coupling, dealing, dealings, engagement, exchange, fellowship, gathering, hookup, information, interaction, interchange, intercommunion, intercourse, interlacing, interlinking, intermeshing, interplay, intertwining, interweaving, interworking, joinder, joining, jointure, junction, knotting, liaison, linguistic intercourse, linkage, linking, marriage, meeting, merger, merging, mesh, meshing, message, pairing, quid pro quo, reply, response, seesaw, social activity, social intercourse, social relations, speaking, speech, speech circuit, speech situation, splice, symbiosis, talking, telepathy, tie, tie-in, tie-up, tit for tat, touch, traffic, truck, two-way communication, unification, union, yoking