[æˏriәu'leiʃәn]
[植]网隙形成
形成网眼状空隙(结构)

Areolation \A`re*o*la"tion\, n.
1. Division into areol[ae]. --Dana.

2. Any small space, bounded by some part different in color
or structure, as the spaces bounded by the nervures of the
wings of insects, or those by the veins of leaves; an
areola.