The capital city of Basel-Stadt canton, Switzerland. / A former canton in northwestern Switzerland.

plural of baseling

(rare) One who is base or inferior

(anglicized) Basel-Stadt (a canton of Switzerland).

A canton of Switzerland.

A canton of Switzerland.

(anglicized) Basel-Landschaft (a canton of Switzerland).

(mathematics) The question as to the value of ∑ₙ₌₁ ᪲1/(n²), the sum of the reciprocals of the squares of the positive integers.

A line that is a base for measurement or for construction. / A datum used as the basis for calculation or for comparison. / (typography) A line used as the basis for the alignment of glyphs.

(engineering, computing) To provide a baseline for measurement. / (tennis) To play from the baseline.