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standard pressure

standard pressure

4.4
The pressure at sea level used as a reference equal to a 760 mm column of mercury at zero Celsius
  • noun
  • /ˈstændərd ˈprɛʃər/
  • Specialized
translation icon : presión estándar
  • Scientists often conduct experiments at standard pressure to ensure consistent results.

Examples

  • The same methods were then used to calculate DELTAH for R1 with different donors at 293.15 K and standard pressure. Results and the corresponding donors are provided below in Table 6.

    Academic text (2018)
  • The definition of a gas's properties is commonly stated at standard pressure of 101.3 kPa.

  • Many clinicians use a standard pressure for a given cuff and limb based on experience, but this pressure may be higher than that required for many patients.

    Academic text (2002)
  • Like abyssal diving suits, they were constructed of rigid components, since it was necessary for the occupant to be protected within a shell that could be maintained at standard pressure.

    Fiction book (1999)
  • Fluorine is a pale yellow gas at standard pressure and has a LOC of 0.039 gm/m³.

    Academic text (1993)
  • At sea level, water boils at 100°C under standard pressure conditions.

Synonyms

atmosphere
vsstandard pressure
  • Specialized
12 6.8

A unit of pressure equal to normal air pressure at sea level

is the usual reference unit described without the exact pascal number
atm
vsstandard pressure
  • Specialized
1 4.0

A unit for measuring pressure equal to the air pressure at sea level

is the common reference term used generally rather than the abbreviation
standard atmosphere
vsstandard pressure
  • Specialized
1 6.1

The usual air pressure at sea level used for checking and calibrating instruments

is the everyday reference unit used in science rather than the formal label

Surface Forms

Morphology

standard + pressure

The compound meaning is directly compositional: 'standard' as an accepted benchmark + 'pressure' yields a reference or benchmark pressure. A B1 learner who knows both words will understand this denotes the commonly used/reference pressure (even if they don't know the exact 760 mmHg value), and similar 'standard + noun' constructions exist cross-linguistically.

Etymology

Standard pressure comes from a specific measurement: it is the pressure that holds a column of mercury 760 mm high in a glass tube at sea level and 0°C. That's why scientists use it as a common 'reference' or baseline for experiments.