rarefiers
/ˈrɛrəˌfaɪərz/
noun
- Plural of rarefier; devices or substances that make things less dense, thinner, or more refined.
- The factory installed several rarefiers to control the air quality in different rooms.
- Different rarefiers are used depending on whether you need to thin gas or liquid.
- The catalog listed various rarefiers for scientific and industrial applications.