in·vis·i·ble /(ˌ)ɪnˈvɪzəbəl/
 (a.)看不見的;微小得覺察不出的看不見的物


 invisible
 無形


 In·vis·i·ble a.
 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.
 To us invisible, or dimly seen
 In these thy lowest works.   --Milton.
 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.


 In·vis·i·ble, n.
 1. An invisible person or thing; specifically, God, the Supreme Being.
 2. A Rosicrucian; -- so called because avoiding declaration of his craft. [Obs.]
 3. Eccl. Hist. One of those (as in the 16th century) who denied the visibility of the church.

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 invisible
      adj 1: impossible or nearly impossible to see; imperceptible by the
             eye; "the invisible man"; "invisible rays"; "an
             invisible hinge"; "invisible mending" [syn: unseeable]
             [ant: visible]
      2: not prominent or readily noticeable; "he pushed the string
         through an inconspicuous hole"; "the invisible man" [syn:
         inconspicuous] [ant: conspicuous]