longitudinal


Concise Oxford English Dictionary © 2008 Oxford University Press:
longitudinal /ˌlɒndʒɪˈtjuːdɪn(ə)l, ˌlɒngɪ-/
adjective
  • 1 running lengthwise.
  • 2 relating to longitude.
  • 3 involving information about an individual or group gathered over a prolonged period.
– derivatives
longitudinally adverb.
'longitudinal' also found in these Oxford entries:

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