circulation
noun
[ səːkjʊˈleɪʃ(ə)n ]
• movement to and fro or around something, especially that of fluid in a closed system.
• "an extra pump for good water circulation"
• the public availability or knowledge of something.
• "his music has achieved wide circulation"
Similar:
dissemination,
spreading,
communication,
transmission,
making known,
putting about,
broadcasting,
publication,
propagation,
promulgation,
distribution,
diffusion,
issuance,
Origin:
late Middle English (denoting continuous distillation of a liquid): from Latin circulatio(n- ), from the verb circulare (see circulate).