Dictionary entry

Invisible

Webster's Dictionary 1913

In‐vis″i‐ble (?), a. [F. invisible, L. invisibilis. See In- not, and Visible.] Incapable of being seen; not perceptible by vision; not visible.

To us invisible, or dimly seen

In these thy lowest works. Milton.

Invisible bird(Zoöl.), a small, shy singing bird (Myadestes sibilons), of St. Vincent Islands. — Invisible green, a very dark shade of green, approaching to black, and liable to be mistaken for it.