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noun, feminine

ponction

/pɔ̃k.sjɔ̃/

noun, feminine/pɔ̃k.sjɔ̃/plural: ponctions

puncture (especially a surgical one); deduction, that which is taken away (such as a tax)

ponction lombairelumbar puncture

Learned borrowing from Latin punctiō. Compare the inherited doublet poinçon.

ponction — French Dictionary | Passage