my friend has relentless right ear pounding too, initially diagnosed as pulsatile tinnitus, but after a CT scan was determined to be mastoiditis (though she cannot remember having an ear infection and has no pain with the pounding). Hopefully the antibiotic will take care of it and that you are better too!
Understudy definition, to learn (a role) in order to replace the regular actor or actress when necessary. See more.
(June 2010) Non-repudiation refers to a state of affairs where the author of a statement will not be able to successfully challenge the authorship of the statement or validity of an associated contract. The term is often seen in a legal setting wherein the authenticity of a signature is being challenged.