C5
- noun
- Specialized
- She bought a pack of C5 envelopes for her office to accommodate folded A4 documents.
Examples
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The invitation was placed in a C5 envelope to ensure it would fit perfectly with the A5-sized card inside.
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When printing brochures, I always use C5 envelopes for a professional presentation.
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C5 has one of the most consistent winning percentages of all the coaches in our sample, with only 3 losing seasons in the past 15, including a recent season winning percentage of nearly 79%.
Academic text (2009) -
However, his initial load level and progress in the knee extension exercise of the present study were very similar to those of another untrained male subject with similar physical involvement (C5 complete SCI).
Academic text (1991)
How Big
Surface Forms
Etymology
C5 comes from the international paper-size system where the C series are envelopes made to hold A sheets. C5 is the envelope that 'fits' an A5 paper or an A4 sheet folded in half, so the name tells you the envelope's size.