Definition

Noun: A supplementary or secondary pump that is available for use if the primary pump fails or if additional pumping capacity is required. It serves as a backup or support system.

Usage

The term "auxiliary pump" is used to describe a piece of equipment kept in reserve. It is typically employed in technical, industrial, or mechanical contexts such as engineering, shipping, firefighting, and building management systems. - It functions as a backup. - It provides supplementary capacity.

Examples

• The ship's engine room is equipped with an auxiliary pump in case the main bilge pump malfunctions.
• During the fire, firefighters connected the auxiliary pump to boost water pressure to the upper floors.
• The building's HVAC system includes an auxiliary pump that activates automatically if the primary circulation pump fails.

Advanced Usage

• "to engage the auxiliary pump": To activate or switch on the backup pump.
  • The operator engaged the auxiliary pump when the pressure dropped below the safe threshold.
• "to serve as an auxiliary pump": To function in the role of a backup pump.
  • This smaller unit can serve as an auxiliary pump during peak demand periods.

Variants and Related Words

• Backup pump (n): A direct synonym, emphasizing its role as a reserve.
• Standby pump (n): A pump kept in readiness for immediate use.
• Emergency pump (n): A pump used in urgent or critical situations, often overlapping with the function of an auxiliary pump.
• Jury pump (n): A temporary pump rigged for emergency use, often improvised.

Synonyms

• Backup pump
• Standby pump
• Reserve pump
• Supplementary pump

Related Phrases

• Auxiliary power unit: A secondary source of power, analogous in function but for energy generation.
• Auxiliary system: A broader term for any secondary support system.

Notes on Meaning

The core meaning of "auxiliary pump" is consistently that of a secondary, supportive pump. Its necessity is conditional, based on the failure of a primary system or an increase in demand. There are no significantly different meanings, only slight variations in connotation (e.g., "emergency pump" implies greater urgency, "standby pump" implies a state of readiness).

Noun

1. a supplementary pump available if needed