Free from dust; not producing or containing dust, especially describing cleaning methods or products designed to minimize dust.
Adjective formed from 'dust' with the negative suffix '-less' (meaning without). Emerged as a marketing and technical term in the 20th century.
The term 'dustless' became a huge marketing buzzword in early 1900s advertising—products were marketed as 'dustless' to appeal to health-conscious consumers worried about the dust particles they were literally breathing in during housework!
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