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longitudinal

PRIMARY MEANINGS OF: longitudinal

1
adj
of or relating to lines of longitude
2
adj
over an extended time
FULL DEFINITIONS OF: longitudinal
1

adj of or relating to lines of longitude

longitudinal reckoning by the navigator”

adj running lengthwise

“a thin longitudinal strip”
longitudinal measurements of the hull”
Synonyms
lengthways, lengthwise
running or extending in the direction of the length of a thing
2

adj over an extended time

“a longitudinal study of twins”
Synonyms
long
primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified
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