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Pronunciation varies by accent · adjective
(physics) Associated with energies less than the Planck energy.
Use cisplanckian when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cisplanckian means (physics) Associated with energies less than the Planck energy.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use cisplanckian where its definition matches the intended context.
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