[计] 裁决器; 分解器

Resolver \Re*solv"er\ (r?-z?lv"?r), n.
1. That which decomposes, or dissolves. --Boyle.

2. That which clears up and removes difficulties, and makes
the mind certain or determined. --Bp. Burnet.

3. One who resolves, or formal a firm purpose.