Webster’s Revised Unabridged Dictionary · 1913
Pertussis
Per·tus′sis (pẽr·tŭs′sĭs), n. [NL., fr. L. per through, very + tussis cough.] (Med.) The whooping cough.
Webster’s Revised Unabridged Dictionary · 1913
Per·tus′sis (pẽr·tŭs′sĭs), n. [NL., fr. L. per through, very + tussis cough.] (Med.) The whooping cough.