n. A person who is capable of spreading a disease by infecting others
the GNU version of the Collaborative International Dictionary of English
adj. Infectious.
The Century Dictionary and Cyclopedia
Of a nature to infect or affect injuriously; injurious.
Infectious; tending to communicate or spread, or capable of communicating, infection.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. able to cause disease
adj. caused by infection or capable of causing infection
Word Usage
"Patients with congenital heart defects of the valve or those who have valvular replacements of the heart need to take a relatively high dosage of antibiotics before dental treatment to prevent occurrence of a heart disease known as infective endocarditis."