In-vĭs'i-ble, a.

(in-vĭz'ĭ-bl), a. [Prefix in, not, and visible : Fr. & Sp. invisible, Pg. invisivel, Pr. invisible, envisible, It. invisibile, Lat. invisibilis.] Incapable of being seen; imperceptible by the sight.

To us invisible, or dimly seen.

In these thy lowest works. Milton.

Invisible green, a very dark shade of green, approaching to black, and not easily distinguished from it.