from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See level.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tool employing a chamber with a colored liquid (usually alcohol, hence spirit) and an air bubble, used to determine a horizontal or vertical reference line.
from the GNU version of the Collaborative International Dictionary of English
- n. one in which the adjustment to the horizon is shown by the position of a bubble in alcohol or ether contained in a nearly horizontal glass tube, or a circular box with a glass cover.
- n. See under Level.
from The Century Dictionary and Cyclopedia
- n. See level, 1.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. indicator that establishes the horizontal when a bubble is centered in a tube of liquid
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