(grammar) Of or relating to the verb subaspect that denotes one after another, an interconnected series of successive separate and distinct actions.

(grammar) A verb subaspect that denotes one after another, an interconnected series of successive separate and distinct actions.

(mathematics) Any series of the form 1/2A_o+ displaystyle ∑ₙ₌₁ ᪲(A_n cos nx+B_n sin nx).

(physics) The set of spectral lines of the hydrogen atom that correspond to transitions involving a principal quantum number n=2

(mathematics, mathematical analysis) Any series resulting from the decomposition of a periodic function into terms involving cosines and sines (or, equivalently, complex exponentials).

A list of metals and alloys arranged according to their relative electrolytic potentials in a given environment.

(baseball, US) a cross-town playoff battle between the New York Mets and New York Yankees

(calculus) Any Taylor series that is centred at 0 (i.e., for which the origin is the reference point used to derive the series from its associated function); for a given infinitely differentiable complex function f, the power series f(0)+(f'(0))/(1!)x+(f(0))/(2!)x²+(f'(0))/(3!)x³+⋯=∑ₙ₌₀ ᪲(f⁽ⁿ⁾(0))/(n!),xⁿ.

(mathematics) The Maclaurin series expansion of the function f(x) = (1 + x)^α, for arbitrary complex α; the series ∑ₖ₌₀ ᪲𝛼 choose kxᵏ, where 𝛼 choose k=(𝛼(𝛼-1)(𝛼-2)…(𝛼-k+1))/(k!).

A television program which consists of several episodes that are broadcast at regular intervals. / A group of episodes of such a program.