Circulation
Circulation noun - Movement through a circuit; especially the movement of blood through the heart and blood vessels.
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Synonyms for Circulation
Vent and circulation are semantically related. In some cases you can use "Vent" instead a noun "Circulation".
Vent
Vent noun - A hole for the escape of gas or air.
Circulation and vent are semantically related. Sometimes you can use "Circulation" instead a noun "Vent".
How words are described
| regular | regular circulation | regular vent |
| underground | underground circulation | underground vent |
| wide | wide circulation | wide vent |
Both words in one sentence
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In any given meeting he is required to attend, his assigned seat is always directly under a return vent for the air circulation system, so his cigar smoke will make a hasty Air-Vent Passageway escape instead of lingering in the room.
Source: Smoking Is Cool
Cite this Source
Vent and Circulation. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/circulation/vent
Circulation & Vent. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/circulation/vent>.
Vent or Circulation. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/circulation/vent.
Google Ngram Viewer shows how "circulation" and "vent" have occurred on timeline