Question 1

What does "jacket up" mean?

Accepted Answer

To add an outer covering, casing, or insulated jacket to a cable, pipe, or similar object.

Question 2

How do you use "jacket up" in a sentence?

Accepted Answer

The manufacturer jacketed up the wire to improve weather resistance.

Question 3

Is "jacket up" formal or informal?

Accepted Answer

"jacket up" is formal — used mainly in written or official contexts. Rare and technical; used in engineering, manufacturing, and materials contexts rather than everyday English.

jacket up

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