Definition of longitudinal
1 : placed or running lengthwise The insect's back is black with yellow longitudinal stripes.
2 : of or relating to length or the lengthwise dimension the longitudinal extent of the building
3 : involving the repeated observation or examination of a set of subjects over time with respect to one or more study variables a longitudinal study of juvenile offenders over a period of five years
Examples of longitudinal in a sentence
The insect's body is black with yellow longitudinal stripes.
calculating the longitudinal position of a ship
a longitudinal study of career aspirations among girls from 5 to 17
First Known Use of longitudinal
LONGITUDINAL Defined for English Language Learners
Definition of longitudinal for English Language Learners
: placed or going along the long side of something
: of or relating to longitude
: done by observing or examining a group of people or things over time to study how one or two particular things about them change
LONGITUDINAL Defined for Kids
Definition of longitudinal for Students
: placed or running lengthwise longitudinal stripes
Medical Definition of longitudinal
1: of, relating to, or occurring in the lengthwise dimension a longitudinal bone fracture
2: extending along or relating to the anteroposterior axis of a body or part a trypanosome which reproduces by longitudinal fission
3: involving the repeated observation or examination of a set of subjects over time with respect to one or more study variables (as general health, the state of a disease, or mortality) a longitudinal study of heart transplant recipients over a five-year period
Seen and Heard
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