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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

19,363 words match “OS”

ACROSTICALLY adv.
After the manner of an acrostic.
ACTINOMYCOSIS n.
A chronic infectious disease of cattle and man due to the presence of Actinomyces bovis. It causes local suppurating tumors, esp. about the jaw. Called also lumpy jaw or big jaw. -- Ac`ti*no*my*cot"ic (#), a.
ACTINOSOME n.
The entire body of a coelenterate.
ACTINOST n.
(Anat.) One of the bones at the base of a paired fin of a fish.
ACTINOSTOME n.
The mouth or anterior opening of a coelenterate animal.
ACTUOSE a.
Very active. [Obs.]
ACTUOSITY n.
Abundant activity. [Obs.] Dr. H. More.
ACUMINOSE a.
Terminating in a flat, narrow end. Lindley.
ADENOSCLEROSIS n.
The hardening of a gland.
ADENOSE a.
Like a gland; full of glands; glandulous; adenous.
ADIOS interj.
Adieu; farewell; good-by; -- chiefly used among Spanish- speaking people.
ADIPOSE a.
Of or pertaining to animal fat; fatty. Adipose fin (Zoöl.), a soft boneless fin. -- Adipose tissue (Anat.), that form of animal tissue which forms or contains fat.
ADIPOSENESS; ADIPOSITY n.
The state of being fat; fatness.
ADOSCULATION n.
Impregnation by external contact, without intromission.
AEROGNOSY n.
The science which treats of the properties of the air, and of the part it plays in nature. Craig.
AEROSCOPE n.
An apparatus designed for collecting spores, germs, bacteria, etc., suspended in the air.
AEROSCOPY n.
The observation of the state and variations of the atmosphere.
AEROSE a.
Of the nature of, or like, copper; brassy. [R.]
AEROSIDERITE n.
A mass of meteoric iron.
AEROSPHERE n.
The atmosphere. [R.]
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