noun
A topical antiseptic solution of iodine in alcohol; commonly used for disinfecting minor wounds.
from German Jodtinktur
擦り傷にヨードチンキを塗った。
I applied tincture of iodine to the scrape.
From German 'Jodtinktur' (iodine tincture). The kanji 沃度丁幾 are ateji for the sounds.