What does "mobile" mean?

Mobile: Characterized by an extreme degree of fluidity; moving or flowing with great freedom; as, benzine and mercury are mobile liquids; -- opposed to viscous, viscoidal, or oily.

Additional senses

  1. 2.Easily moved in feeling, purpose, or direction; excitable; changeable; fickle. Testament of Love. The quick and mobile curiosity of her disposition. Hawthorne.
  2. 3.Changing in appearance and expression under the influence of the mind; as, mobile features.
  3. 4.(Physiol.) Capable of being moved, aroused, or excited; capable of spontaneous movement.
  4. 5.The mob; the populace. [Obs.] "The unthinking mobile." South.

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