'At intervals' definitions:

Definition of 'At intervals'

From: GCIDE
  • Interval \In"ter*val\, n. [L. intervallum; inter between + vallum a wall: cf. F. intervalle. See Wall.] [1913 Webster]
  • 1. A space between things; a void space intervening between any two objects; as, an interval between two houses or hills. [1913 Webster]
  • 'Twixt host and host but narrow space was left, A dreadful interval. --Milton. [1913 Webster]
  • 2. Space of time between any two points or events; as, the interval between the death of Charles I. of England, and the accession of Charles II. [1913 Webster]
  • 3. A brief space of time between the recurrence of similar conditions or states; as, the interval between paroxysms of pain; intervals of sanity or delirium. [1913 Webster]
  • 4. (Mus.) Difference in pitch between any two tones. [1913 Webster]
  • At intervals, coming or happening with intervals between; now and then. "And Miriam watch'd and dozed at intervals." --Tennyson.
  • Augmented interval (Mus.), an interval increased by half a step or half a tone. Interval