transcription, транскрипция: [ ˌlän-jə-ˈtüd-nəl, -ˈtyüd-, -ˈt(y)ü-d ə n-əl, Britain also ]
ˌläŋ-gə- adjective
Date: 15th century
1. : placed or running lengthwise
2. : of or relating to length or the lengthwise dimension
3. : involving the repeated observation or examination of a set of subjects over time with respect to one or more study variables
• lon·gi·tu·di·nal·ly adverb