noun
Biological sense: the chemical processes that occur within a living organism to maintain life. Common in medical and health contexts.
運動するとメタボリズムが活発になる。
Exercise activates your metabolism.
Refers to the Japanese architectural movement of the 1960s that envisioned cities as living, growing organisms. Capitalized in English to distinguish from the biological term.
メタボリズムは、黒川紀章や菊竹清訓らが中心となった建築運動だ。
Metabolism was an architectural movement led by figures such as Kisho Kurokawa and Kiyonori Kikutake.