See Also: attainment area(medicine)
spanner(dictionary)
spanner(1)(dictionary)
attainment(dictionary)
spanner(2)(dictionary)
attainment(dictionary)
Mount Emei Scenic Area, including Leshan Giant Buddha Scenic Area(tourism)
out-of-area(dictionary)
no-go area(dictionary)
Area 7A(health)

spanner(2) (iou) and attainment area (medicine)


spanner(2) (iou)



spanner noun2. rare. M19.
[from SPAN verb1 + -ER1.]
A supportive rib or brace spanning a roof, bridge, etc.

attainment area (medicine)


attainment area


A geographic region where the concentration of a specific air pollutant does not exceed federal standards.