Length in its basic meaning is the long dimension of an object.
Length may also refer to:
Mathematics
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Arc length
ARC may refer to:
Business
* Aircraft Radio Corporation, a major avionics manufacturer from the 1920s to the '50s
* Airlines Reporting Corporation, an airline-owned company that provides ticket distribution, reporting, and settlement services
* ...
, the distance between two points along a section of a curve.
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Length of a sequence or
tuple
In mathematics, a tuple is a finite ordered list (sequence) of elements. An -tuple is a sequence (or ordered list) of elements, where is a non-negative integer. There is only one 0-tuple, referred to as ''the empty tuple''. An -tuple is defi ...
, the number of terms. (The length of an '-tuple is ')
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Length of a module, in abstract algebra
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Length of a polynomial, the sum of the magnitudes of the coefficients of a polynomial
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Length of a vector, the size of a vector
Other uses
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Length (phonetics)
In phonetics, length or quantity is a feature of sounds that have distinctively extended duration compared with other sounds. There are long vowels as well as long consonants (the latter are often called ''geminates'').
Many languages do ...
, in phonetics
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Vowel length
In linguistics, vowel length is the perceived length of a vowel sound: the corresponding physical measurement is duration. In some languages vowel length is an important phonemic factor, meaning vowel length can change the meaning of the word ...
, the perceived duration of a vowel sound
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Geminate consonant
In phonetics and phonology, gemination (), or consonant lengthening (from Latin 'doubling', itself from '' gemini'' 'twins'), is an articulation of a consonant for a longer period of time than that of a singleton consonant. It is distinct fr ...
, the articulation of a consonant for a longer period of time than that of a single instance
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Line and length, the direction and point of bouncing on the pitch of a delivery in cricket
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Horse length, the length of a horse in equestrianism
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Length overall, the maximum length of a vessel's hull measured parallel to the waterline
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