Noun, Adverb (fukushi)
once; one time; on one occasion
習慣は一度身についてしまうと、断ち切るのがとても難しい。A habit is very difficult to shake off once it is formed. temporarily; for a moment
one degree; one tone; one musical interval
Also written 1度【いちど】、一たび【ひとたび】、ひと度【ひとたび】、一とたび【ひとたび】