Anglais example sentences with "definable"

The concept of “Internet addiction” implies that “the Internet” is some sort of definable activity.
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Isolated material particles are abstractions, their properties being definable and observable only through their interaction with other systems.
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That Space, as our mathematicians have it, is spoken of as having three dimensions, which one may call Length, Breadth, and Thickness, and is always definable by reference to three planes, each at right angles to the others.
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