GNU Collaborative International Dictionary of English

Found one definition

      
invisible ink, 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]

Last match results

Die, Fie, Gie, Hie, Kie, Lie, Pie, Rie, Tee, The, Tic, Tice, Tid, Tide, Tie, Tied, Tier, Tig, Tike, Til, Tile, Time, Tin, Tine, Tip, Tire, Tit, Toe, Tue, Tye, Vie