Kilometers
Yardstick
The measurement of the grams of water in a kilogram of air is called specific humidity.
It is called topology
However, as long as you wanted to be!
5 1/2 Yards (Land measurement]
ROD!
Kilometers
it is called a notochord.
A rod comes from medieval England. Also called a pole or a perch, it is 5.5 yards long. Four rods make a chain. Ten chains make a furlong and eight furlongs make a mile. Ten square chains, or 160 square rods make an acre.
rod
Yardstick
It is called a rod because it is long and ... well, "rod" shaped. Specifically it's different types of "gram positive rod" type bacteria.
Inner tie rod
The word rod has a short O sound, as in rob and god. (The long O is in road.)
A Rod (16 1/2 feet)
There are 100 centimeters in a meter.