
1) Ambient 2) Astir 3) Current 4) Flowing 5) In the air
Found on
https://www.crosswordclues.com/clue/circulating

1) Current 2) Passing from one to another
Found on
https://www.crosswordclues.com/clue/circulating

• (P. pr. & vb. n.) of Circulate
Found on
http://thinkexist.com/dictionary/meaning/circulating/

[
adj] - moving or flowing in a circuit and returning to the same point
Found on
http://www.webdictionary.co.uk/definition.php?query=circulating

circulate, circulating 1. To move in a circle or to circuit; to move or to pass through a circuit back to the starting point: 'Blood circulates throughout the body.' 2. To pass from place to place, from person to person, etc. 3. To be distributed or sold; especially, over a wide area. 4. In libraries, a reference to books and other materials which...
Found on
http://www.wordinfo.info/words/index/info/view_unit/479/

circulating Related 'around, round, surrounding' units: ambi-; ampho-; circum-; cyclo-, -cycle; gyro-; peri-.
Found on
http://www.wordinfo.info/words/index/info/view_unit/479/

to move in a circular pattern
Found on
https://sciencetrek.org/sciencetrek/topics/food_chain/glossary.cfm

Driving around a track with a damaged and/or slow car to accumulate laps and, more importantly, points and prize money.
Found on
https://www.ricmotech.com/Racing-Glossary_b_2.html
No exact match found.