a. [ F. invisible, L. invisibilis. See In- not, and Visible. ] 1. Incapable of being seen; not perceptible by vision; not visible. Specifically: (a) Not visible due to an inherent property, such as lack of color; as, the invisible air; invisible ink; (b) hidden from view; out of sight; (c) Not perceptible due to lack of light; (d) Too small or too distant to be perceived; as, people on the ground invisible at cruising altitude. [ 1913 Webster +PJC ] To us invisible, or dimly seen
In these thy lowest works. Milton. [ 1913 Webster ] 2. Hidden from the public; as, invisible transactions. [ PJC ] 3. imperceptible to the mind; as, differences invisible to most observers. [ PJC ]
Invisible bird (Zool.), 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. [ 1913 Webster ]
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