3 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Infectious \In*fec"tious\, a. [Cf. F. infectieux.]
1. Having qualities that may infect; communicable or caused
by infection; pestilential; epidemic; as an infectious
fever; infectious clothing; infectious air; infectious
vices.
Where the infectious pestilence. --Shak.
2. Corrupting, or tending to corrupt or contaminate;
vitiating; demoralizing.
It [the court] is necessary for the polishing of
manners . . . but it is infectious even to the best
morals to live always in it --Dryden.
3. (Law) Contaminating with illegality; exposing to seizure
and forfeiture.
Contraband articles are said to be of an infectious
nature. --Kent.
4. Capable of being easily diffused or spread; sympathetic;
readily communicated; as infectious mirth.
The laughter was so genuine as to be infectious.
--W. Black.
Syn: See {Contagious}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Parotitis \Par`o*ti"tis\, n. [NL. See {Parotid}, and {-itis}.]
(Med.)
Inflammation of the parotid glands.
{Epidemic}, or {Infectious}, {parotitis}, mumps.
From WordNet r 1.6 [wn]:
infectious
adj 1: caused by infection or capable of causing infection; viruses
and other infective agents"; "a carrier remains
infective without himself showing signs of the
disease" [syn: {infective}]
2: easily spread; "fear is exceedlingly infectious; children
catch it from their elders"- Bertrand Russell [ant: {noninfectious}]
more about infectious
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