01 a. That expands, or may be expanded; extending; spreading; enlarging.
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1.
That expands, or may be expanded; extending; spreading; enlarging.
Phrases & compounds
Expanding bit —
a bit or drill made adjustable for holes of various sizes; one which can be expanded in diameter while boring.
Expanding pulley —
a pulley so made, as in sections, that its diameter can be increased or diminished.