Definition of "ideal"
adjective:
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Optimal; being the best possibility.
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Perfect, flawless, having no defects.
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Pertaining to ideas, or to a given idea.
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Existing only in the mind; conceptual, imaginary.
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Not actually present, but considered as present when limits at infinity are included.
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noun:
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A perfect standard of beauty, intellect etc., or a standard of excellence to aim at.
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A subring closed under multiplication by its containing ring.
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