ضعف

تَضْعِيفٌ ذ inf. n. of 2. (S &c.) ― -b2- تَضَاعِيفُ الشَّىْءِ means The doubles, or trebles, or multiples, of the thing; (مَا ضُعِّفَ مِنْهُ;) in this sense, تضاعيف has no sing., like تَبَاشِيرُ &c. (TA.) ― -b3- تَضَاعِيفُ الكِتَابِ: see ضِعْف, near the end. ― -b4- As expl. by Lth, (O,) التَّضْعِيفُ signifies حُمْلَانُ الكِيمِيَاآءِ [i. e. What is used as an alloy in chemistry or alchymy ]. (O, K.)