That state in which every part of space is supposed to be fullof matter; -- opposed to vacuum. G. Francis.
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A filled space, or the concept of space as full of something.
1 a : a space or all space every part of which is full of matter b : an air-filled space in a structure; especially : one that receives air from a blower for distribution (as in a ventilation system)
2 : a general assembly of all members especially of a legislative body
3 : the quality or state of being full