the.com/centimeter

the unit so humble it measures both your fingernail and the gap between losing.

means A metric unit of length equal to one-hundredth of a meter, roughly the width of an adult fingernail.

from Built from two Latin pieces stitched together by French science: centum, 'hundred,' and the Greek-derived metron, 'measure.' The word 'centimètre' was coined in France during the metric system's invention in the late 18th century, when revolutionaries decided the world needed measurements based on tidy tens rather than the elbows and feet of dead kings. So a centimeter is, quite literally, a 'hundredth-measure' — one slice of a meter cut into a hundred equal pieces.

origin
Born from the French Revolution's metric overhaul
definition
One hundredth of a meter, exactly
body match
Your pinky nail spans roughly one
light speed
Light crosses it in 33 picoseconds
holdout nations
America still resists this tidy little ruler
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