| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Equivalent length | Mining | The resistance of a mine airway obstruction, duct or pipe elbow, valve, damper, orifice, bend, fitting, or other obstruction to flow, expressed in the number of feet of straight airway, duct, or pipe of the same cross-section that would have the same resistance. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
