1. Are there other hidden derivative deals out there? �Ƿ�����������ܵ�����Ʒ���ף�
2. Allantoin is one of the important urea derivative products. ��������һ����Ҫ������������Ʒ��
3. The preparation process of carboxymethyl cellulose cross-linked amide derivative belongs to the field of biochemical technology. һ���ȼ���ά�ؽ���������������Ʊ��������������ﻯѧ��������
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n.
1. the result of mathematical differentiation; the instantaneous change of one quantity relative to ano
2. a financial instrument whose value is based on another security
3. (linguistics) a word that is derived from another word adj.
1. resulting from or employing derivation
