the.com/length
How far something stretches before it gives up and becomes width.
means The measurement of how long something is from one end to the other.
from From Old English lengthu, built on lang (long) plus the noun-forming -th, the same trick that turns warm into warmth and wide into width.
Longest unitLight-years measure distance, not time, despite the name.
Length contractionFast objects literally shrink along their direction of motion.
Coastline paradoxCoast length grows infinitely as your ruler shrinks.