4 ms·

Just off the bat I can’t help but think the citric acid cycle is probably more famous? (Just checked google, and it has 55,000,000 results for the former, and

• eesmith 6y ago
  "Citric acid cycle" (and Krebs cycle) is much more common than "solar cycle" (which was my second guess), which in turn is more common than Carnot cycle, in a Google n-gram search: https://books.google.com/ngrams/graph?content=Carnot+cycle%2Ccitric+acid+cycle%2Csolar+cycle%2CKrebs+cycle%2CKrebs+cycle%2Bcitric+acid+cycle&case_insensitive=on&year_start=1800&year_end=2008&corpus=15&smoothing=3&share=&direct_url=t4%3B%2CCarnot%20cycle%3B%2Cc0%3B%2Cs0%3B%3BCarnot%20cycle%3B%2Cc0%3B%3BCarnot%20Cycle%3B%2Cc0%3B%3BCARNOT%20CYCLE%3B%2Cc0%3B.t4%3B%2Ccitric%20acid%20cycle%3B%2Cc0%3B%2Cs0%3B%3Bcitric%20acid%20cycle%3B%2Cc0%3B%3BCitric%20acid%20cycle%3B%2Cc0%3B%3BCitric%20Acid%20Cycle%3B%2Cc0%3B%3BCITRIC%20ACID%20CYCLE%3B%2Cc0%3B.t4%3B%2Csolar%20cycle%3B%2Cc0%3B%2Cs0%3B%3Bsolar%20cycle%3B%2Cc0%3B%3BSolar%20Cycle%3B%2Cc0%3B%3BSolar%20cycle%3B%2Cc0%3B%3BSOLAR%20CYCLE%3B%2Cc0%3B.t4%3B%2CKrebs%20cycle%3B%2Cc0%3B%2Cs0%3B%3BKrebs%20cycle%3B%2Cc0%3B%3BKrebs%20Cycle%3B%2Cc0%3B%3BKREBS%20CYCLE%3B%2Cc0%3B.t1%3B%2C%28Krebs%20cycle%20%2B%20citric%20acid%20cycle%29%3B%2Cc0 https://books.google.com/ngrams/graph?content=Carnot+cycle%2...