!

exclamation mark
!
excl
exclamation point
shriek

   <character> The character "!" with {ASCII} code 33.

   Common names: {bang}; pling; excl (/eks'kl/); shriek; {ITU-T}:
   exclamation mark, exclamation point (US).  Rare: {factorial};
   exclam; smash; cuss; boing; yell; wow; hey; wham; eureka;
   soldier; {INTERCAL}: spark-spot.

   The {Commonwealth Hackish}, "pling", is common among {Acorn
   Archimedes} owners.  {Bang} is more common in the USA.

   The occasional {CMU} usage, "shriek", is also used by {APL}
   fans and mathematicians, especially {category} theorists.

   Exclamation mark is used in {C} and elsewhere as the logical
   negation {operation} ({NOT}).

   (1998-09-17)