a. [ F. invisible, L. invisibilis. See In- not, and Visible. ]
To us invisible, or dimly seen
In these thy lowest works. Milton. [ 1913 Webster ]
Invisible bird (Zool.),
Invisible green,
n.
n. A fluid that has no color in the visible spectrum, but may be detected under certain conditions, as under ultraviolet light. It may be used to write notes not readable under normal light. [ PJC ]
n. The quality or state of being invisible; invisibility. [ 1913 Webster ]