touch off

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touch off

verb touches off · touching off · touched off

  1. idiomatic, transitive To start (something); to set off traps; especially used for unstable situations that may magnify if disturbed. Be cautious talking about religion or politics, lest you touch off an argument.
  2. idiomatic, transitive To cause a fire to start. A spark touched off the conflagration.
  3. To establish a reference coordinate or datum, by moving the tool head to just touch the workpiece or machine bed. A traditional method of touching off uses a piece of thin paper placed between the tool and workpiece.

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verb to cause, especially used for unstable situations that may magnify if disturbed

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MLA

"touch off." Wiktionary, via Micwyn, micwyn.com/word/touch%20off. Accessed 6 Nov. 2026.

APA

touch off. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/touch%20off

Chicago

"touch off." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/touch%20off.

BibTeX
@misc{touch_off_2026,
  title = {touch off},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/touch%20off},
  urldate = {2026-11-06}
}