A more comprehensive differential diagnosis for the red or painful eye includes: 1  corneal abrasion. 2  subconjunctival hemorrhage. 3  pinguecula. 4  blepharitis. 5  dacryocystitis. 6  keratoconjunctivitis sicca (dry eye) 7  keratitis. 8  herpes simplex. 9  herpes zoster.
Definitions for vorpal sword. Here are all the possible meanings and translations of the word vorpal sword. Freebase(0.00 / 0 votes)Rate this definition: Vorpal sword is a phrase used by Lewis Carroll in his nonsense poem Jabberwocky.
Chirp. A chirp is a signal in which the frequency increases or decreases with time. In some sources, the term chirp is used interchangeably with sweep signal. It is commonly used in sonar and radar, but has other applications, such as in spread spectrum communications.