noun
change of clothes while washing; spare clothes for laundry day
Refers to clothes worn while one's other clothes are being washed. Often used in the phrase 洗い替えに着る.
洗濯中は、洗い替えの服を着ている。
While the laundry is going, I wear my spare clothes.
このTシャツは洗い替え用に買った。
I bought this T-shirt as a spare for laundry day.
noun
refinishing wooden furniture; cleaning or planing to revive wood
A specialized term for restoring wooden furniture by cleaning or planing its surface. Rare in everyday conversation.
古いタンスを洗い替えに出した。
I sent the old chest of drawers to be refinished.
noun
reversal of book value; write-up to acquisition cost
Accounting term: reversing the book value of an asset to its original acquisition cost at the start of the next period. Used in financial contexts.
減損処理した資産を翌期首に洗い替えする。
At the beginning of the next period, we reverse the book value of the impaired asset.
Compound of 洗い (washing) + 替え (replacement). The exact historical derivation is uncertain, but the word transparently means 'wash replacement'.