Coming or occurring between two things, places, etc.; ‘holding the middle place or degree between two… in serial order, e.g. of numbers, or in…

Mathematics. Applied to an infinite series of terms or numbers, the sum of which, beginning with the first, continually approximates towards a…

Mathematics. = converging, adj. 2, as in convergent series. convergent fractions n. see B.

Of an item in a series: coming before the item conventionally regarded as the first.

Mathematics. Of or pertaining to tactic, n.1 (sense 3): opposed to logistical, adj.

Mathematics. = oscillating, adj. 3.

Designating a mathematical operation performed term by term (see term, n. 14c, 14b(a)).

Mathematics. Designating a cycle of three or more integers such that each is the sum of the factors of the previous one. Cf. amicable number n. at ami…