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gigapascal
This term is a technical unit of measurement used almost exclusively in specialized scientific fields such as geophysics, materials science, and high-pressure physics. It describes extreme pressures, such as those found in the Earth's mantle or during the synthesis of synthetic diamonds, where standard pascals or megapascals would result in impractically large numbers.
As a standard unit of measurement, it follows the convention of remaining invariant in form when used as a modifier before a noun (e.g., a 10 gigapascal load). While it can be pluralized in general descriptive text, it is frequently treated as a stable unit in mathematical and technical notation.
Meanings
Examples
The diamond anvil cell can generate pressures exceeding one gigapascal.
We need to calculate the bulk modulus in terms of gigapascal for this mineral.
The core of the planet is subjected to pressures of several gigapascal.
Is the yield strength of this alloy measured in megapascal or gigapascal?
The material underwent a phase transition at approximately two gigapascal.
The material underwent a phase transition at approximately two gigapascal.
I wonder if the crystal structure remains stable at ten gigapascal.
The experimental data shows a peak pressure of 0.5 gigapascal.
The experimental data shows a peak pressure of 0.5 gigapascal.
Such extreme conditions, reaching many gigapascal, are rare on the surface.