ARENILITIC
A*ren`i*lit"ic, a. Etym: [L. arena sand + Gr.
Defn: Of or pertaining to sandstone; as, arenilitic mountains.
Kirwan.
ARENOSE
Ar"e*nose, a. Etym: [L. arenosus, fr. arena sand.]
Defn: Sandy; full of sand. Johnson.
ARENULOUS
A*ren"u*lous, a. Etym: [L. arenula fine sand, dim. of arena.]
Defn: Full of fine sand; like sand. [Obs.]
AREOLA A*re"o*la, n.; pl. Areolæ. Etym: [L. areola, dim. of area: cf. F. aréole. See Area.]
1. An interstice or small space, as between the cracks of the surface in certain crustaceous lichens; or as between the fibers composing organs or vessels that interlace; or as between the nervures of an insect's wing.
2. (Anat. & Med.)
Defn: The colored ring around the nipple, or around a vesicle or pustule.