# thinner

Pronunciation: US say "THIN-ur" /ˈθɪnɚ/; UK say "THIN-uh" /ˈθɪnə(ɹ)/

## Adjective

1. Comparative form of thin. — comparative form of thin: more thin
   - Simple: Comparative form of thin. Use it to say one thing is more thin than another.
   - _The newer phone is thinner and lighter than its predecessor._
   - _Mountain air grows noticeably thinner as the climbers gain elevation._

## Noun

2. A liquid added to paint, varnish, or another fluid to make it less thick.
   - Simple: A liquid you add to paint or glue to make it runnier and easier to use.
   - _He stirred some thinner into the varnish before the final coat._
   - _Industrial painters keep thinners on hand to adjust the viscosity of their coatings._
3. A person, tool, or substance that reduces the thickness or density of something else.
   - Simple: A thing or person that makes something else less thick or less crowded.
   - _The orchard crew brought in a mechanical thinner to space out the apple blossoms._
   - _Each thinner on the production line removes excess material to a set tolerance._

## Origin

Formed from "thin" combined with the suffix "-er".

Source: DictionaryAI, https://dictionaryai.com/define/thinner (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).