English version

spirit level

From Longman Dictionary of Contemporary English
Related topics: Industry, Tools
spirit levelˈspirit ˌlevel noun [countable] especially British English  spirit_level.jpg TITZa tool used for testing whether a surface is level
Examples from the Corpus
spirit levelThe hinge itself must also be horizontal, using a spirit level.Simply line up the shelf in position, using a spirit level, before permanent fixing for a really professional result.Tap in place with the club hammer handle and check with a spirit level as work progresses.
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