folds; wrinkles; creases
Technical or literary term for folds, pleats, or wrinkles, especially in geology (mountain folds) or anatomy. Rare in everyday speech; 折り目 or しわ are more common.
Fold mountains were formed by crustal movements.
Fine folds can be seen in this rock.
Technical kanji spelling; both characters are uncommon. 褶 means 'pleat' or 'fold', and 襞 means 'fold' or 'crease'.
Variant spelling using 皺 (wrinkle) instead of 褶. Even rarer than 褶襞.
Compound of 褶 (pleat, fold) and 襞 (fold, crease). Both kanji are rare and carry similar meanings, reinforcing the idea of folding. The exact historical derivation is uncertain; the word is primarily used in technical contexts.