longitudinal
adjective/ˌlɒŋɡɪˈtjuːdənl/, /ˌlɒndʒɪˈtjuːdənl/
/ˌlɑːndʒəˈtuːdənl/
(specialist)- going downwards rather than across
- The plant's stem is marked with thin, green, longitudinal stripes.
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- relating to the development of something over a period of time
- a longitudinal study of ageing
- connected with longitude
- the town’s longitudinal position
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longitudinal