Last Updated：2025/11/19

Dictionary quizzes to help you remember the meaning

Dictionary quizzes to help you remember the meaning

SI

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Source Word

SI

Adjective

abbreviation alt-of initialism not-comparable

(anatomy, medicine) Initialism of sacroiliac.

Japanese Meaning

仙腸関節（sacroiliac joint、仙骨と腸骨の間の関節）

What is this buttons?

The doctor diagnosed an SI dysfunction that was causing her lower back pain.

Google Translation / DeepL Translation

医師は、彼女の腰痛を引き起こしている仙腸関節の機能障害と診断した。

Sense（1）

(anatomy, medicine) Initialism of sacroiliac.

SI joint

Google Translation / DeepL Translation

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