Expanding
Expanding , adjective
That expands, or may be expanded; extending; spreading; enlarging.
Collocations (2)
Expanding bit or Expanding drill (Mechanics) , a bit or drill made adjustable for holes of various sizes; one which can be expanded in diameter while boring.
Expanding pulley (Machinery) , a pulley so made, as in sections, that its diameter can be increased or diminished.