Siyqalanish (eskirish, yeyilish)

Siyqalanish (eskirish, yeyilish) – ishqalanish paytida mahsulot sir qatlamining yemirilishi (eskirishi), tufayli mahsulot yoki asbob yuzasining o’lchami, shakli, massasi yoki holatini o’zgarishi.