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1. (adj.) longitudinal
of or pertaining to longitude or length:
longitudinal measurement.
2. longitudinal
extending in the direction of the length of a thing; lengthwise.
3. longitudinal
of or extending along the long axis of the body, or the direction from front to back, or head to tail.
4. longitudinal
pertaining to a research design or survey in which the same subjects are observed repeatedly over a period of time.
Etymology: (1535–45; < L longitūdin-, s. of longitūdō (see longitude ) + -al1)
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| Definition of 'longitudinal' |
Princeton's WordNet |
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1. (adj) longitudinal
of or relating to lines of longitude
"longitudinal reckoning by the navigator"
2. (adj) longitudinal
running lengthwise
"a thin longitudinal strip"; "longitudinal measurements of the hull"
3. (adj) longitudinal
over an extended time
"a longitudinal study of twins"
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| Definition of 'longitudinal' |
Webster Dictionary |
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1. (adj) longitudinal
of or pertaining to longitude or length; as, longitudinal distance
2. (adj) longitudinal
extending in length; in the direction of the length; running lengthwise, as distinguished from transverse; as, the longitudinal diameter of a body
3. (noun) longitudinal
a railway sleeper lying parallel with the rail
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| Alternative search options for 'longitudinal' |
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Definitions of longitudinal 
