a. [f. Euler, the name of a celebrated Swiss mathematician (1707–83) + -IAN.] Of, pertaining to, or discovered by, Euler; as Eulerian constant, function, integral.
1882. Minchin, Unipl. Kinemat., 139. In the first case what we have done for the fixed-space point P we imagine to be done for all fixed-space points; and in the second case we imagine our record to be similarly kept for every individual fluid particle…. They are … often called the Eulerian and the Lagrangian methods, respectively.
1886. Todhunter, Integral Calculus, 249. We shall now prove an important equation which connects the two Eulerian integrals. Ibid., 255. The quantity C is called Euler’s constant.
