An Etymological Dictionary of Astronomy and Astrophysics

1. A system of telescopes coupled together, using → interferometric techniques, to increase the angular resolution or the sensitivity.
   

2. A two-dimensional detector comprising a large number of identical, individual detectors that can be used simultaneously, e.g. a → CCD.
   

3. A series of numbers or symbols arranged in some geometric pattern, as in a matrix.

Etymology (EN): Array, from M.E. arraien, from Anglo-Norman arraier, from V.L. *arredare.

Etymology (PE): Ârast “set in order,” from ârastan, ârâstan “to set in order,” Mid.Pers. ârây-, ârâstan, from â- + Av. râd- “to make ready, prepare;” PIE *ar- “to fit together.”