noun
A thin, loosely woven fabric used for medical dressings, bandages, or crafting.
from German Gaze
傷口にガーゼを当ててください。
Please apply gauze to the wound.
薬局で滅菌ガーゼを買った。
I bought sterile gauze at the pharmacy.
包帯 is a bandage used to wrap and secure a dressing, while ガーゼ is the thin fabric itself, often placed directly on a wound.
Loanword from German 'Gaze', meaning gauze.