Nihoner

“Supplementation” in Japanese

Short answer
補欠 hoketsu ほけつ

Supplementation in Japanese is “補欠” (hoketsu). Full meaning: filling a vacancy, supplementation; substitute, deputy, alternate, spare.

Other ways to say “Supplementation” in Japanese

補瀉温涼 hoshaonryou supplementation, causing bowel movements, heating, and cooling (four main treatments of traditional Chinese medicine) 補完 hokan complementation, supplementation, completion 補充 hojuu replenishment, supplementation, supplement, replacement, refilling 補綴 hotei mending, revision, supplementation; (dental) prosthesis, prosthetic 補填 hoten covering (a loss, deficit, etc.), making up (for), compensating (for), supplementation 填補 tenpo making up (a deficit, loss, etc.), covering, compensation, supplementation, replenishment 補闕 hoketsu filling a vacancy, supplementation; substitute, deputy, alternate, spare 補缺 hoketsu filling a vacancy, supplementation; substitute, deputy, alternate, spare 補塡 hoten covering (a loss, deficit, etc.), making up (for), compensating (for), supplementation 塡補 tenpo making up (a deficit, loss, etc.), covering, compensation, supplementation, replenishment 補添 hoten covering (a loss, deficit, etc.), making up (for), compensating (for), supplementation

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