Containing no carbon or not requiring carbon; often referring to paper that creates copies without using carbon sheets.
From carbon + -less (Old English suffix meaning 'without'). The -less suffix is one of English's most productive word-formation tools.
Carbonless paper revolutionized offices in the 1970s—it uses microencapsulated chemicals instead of carbon sheets, so when you press down, invisible capsules burst and create a copy, making it a clever chemistry hack for paperwork.
Complete word intelligence in one call. Free tier — 50 lookups/day.