venipuncture

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venipuncture

[′ven·ə‚pəŋk·chər]
(medicine)
A surgical puncture of a vein, such as for withdrawing blood or injecting medication.
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References in periodicals archive ?
"Your butterfly method is not necessarily a bad way to help remember how to add fractions.
"I guess the butterfly method is just a way to keep track of stuff when you're finding the least common multiple of the denominators.
But before we move on, are you sure the butterfly method always works?" I write five-sixths minus two-thirds on the dry-erase board.