longitudinal

adjective/ˌlɑŋɡɪˈtuːdɪnəl/

Frequency rank: #8,867 most common English word

Meaning

extending lengthwise or over a long period of time; relating to research conducted over time.

Illustration for the English word “longitudinal”

Example sentence

The researchers conducted longitudinal studies to track the children's development over ten years.

Synonyms & related words

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