Designating or of studies dealing with the development of an individual or group over a period of years.
Origin of longitudinal
From LatinlongitÅ«din-, oblique stem of longitÅ«dō (“length, longitude") (whence also longitude), and the suffix +"Ž -al.
Longitudinal Sentence Examples
The leaf-stalks and flowerstalks are traversed by longitudinal air-passages, whose disposition varies in different species.
In the one the pattern consists of narrow vertical stripes, and in the other of longitudinal or obliquely longitudinal stripes, which, on the sides of the body, tend to assume a spiral or sub-circular arrangement characteristic of the blotched tabby.
In humming-birds and petrels the trachea is partly divided by a vertical, longitudinal, cartilaginous septum.
It occurs in two different forms. In the Ratitae, except Rhea, it consists mainly of a right and left united half (corpora fibrosa), with a deep longitudinal furrow on the dorsal side, and much resembles the same organ in crocodiles and tortoises.
In the bulky forms colorless branches frequently grow out from some of the cortical cells, and, pushing among the already-formed threads in a longitudinal direction, serve to strengthen the thallus by weaving its original threads together.