| Part of Speech | Definition | |
| Expression | 1. (Steam Engin.), the equilibrium line of an indicator card. Steam is expanded ``down to the atmosphere'' when its pressure is equal to that of the atmosphere. (See Indicator card .) Atmospheric pressure , the pressure exerted by the atmosphere, not merely downwards, but in every direction. In amounts to about 14.7 Ibs. on each square inch.[Websters]. | |
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Common Expressions: ATMOSPHERIC LINE
| Expressions | Definition | ||
| Atmospheric line | (Steam Engin.), the equilibrium line of an indicator card. Steam is expanded ``down to the atmosphere'' when its pressure is equal to that of the atmosphere. (See Indicator card .) Atmospheric pressure , the pressure exerted by the atmosphere, not merely downwards, but in every direction. In amounts to about 14.7 Ibs. on each square inch. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
