"length" - key terms from Wikipedia

arc length
barrel length
blade length
bond length
burst length
chain length
coherence length
constraint length
crack length
debye length
digits in length
edge length
effective focal length
equal in length
equal length
feature length
feature length	new year special
feet in length
five digits in length
focal length
foot length
four digits in length
full length
full length	album
hair length
key length
last length	in inches
length
length	changes
length	contraction
length	of tubing
length	scale
length	scales
line length
overall length
path length
per unit length
planck length
rod length
route length
same length
scale length
telomere length
total length
tour length
unit of length
units of length
variable length
variable length	intake manifold
vowel length