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invisible ink

Definition of invisible ink

  1. :  ink that can only be seen when it is specially treated in some way <a message written in invisible ink>

Word by Word Definitions

  1. :  incapable by nature of being seen

    :  inaccessible to view :  hidden

    :  imperceptible, inconspicuous

  1. :  a colored usually liquid material for writing and printing

    :  the black protective secretion of a cephalopod

    :  publicity

  1. :  to put ink on

    :  to draw or write on in ink

    :  sign

Seen and Heard

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a very small amount

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