01 a. Not to be coerced; incapable of being compelled or forced.
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1.
Not to be coerced; incapable of being compelled or forced.
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2.
Not capable of being reduced to the form of a liquid by pressure; -- said of any gas above its critical temperature.(Physics) See: critical temperature
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3.
That can note be confined in, or excluded from, vessels, like ordinary fluids, gases, etc.; -- said of the imponderable fluids, heat, light, electricity, etc.(Physics)