Length in its basic meaning is the long dimension of an object.
Length may also refer to:
Mathematics Arc length, the distance between two points along a section of a curve. Length of a sequence or tuple, the number of terms. (The length of an -tuple is ) Length of a module, in abstract algebra Length of a polynomial, the sum of the magnitudes of the coefficients of a polynomial Length of a vector, the size of a vector
Other uses Length (phonetics), in phonetics Vowel length, the perceived duration of a vowel sound Geminate consonant, the articulation of a consonant for a longer period of time than that of a single instance Line and length, the direction and point of bouncing on the pitch of a delivery in cricket Horse length, the length of a horse in equestrianism Length overall, the maximum length of a vessel's hull measured parallel to the waterline