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Webster’s Dictionary (1828)

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

56,206 words match “ON”

ON prep. 23 definitions
The general signification of on is situation, motion, or condition with respect to contact or support beneath; as: --
ON DIT n. 2 definitions
A flying report; rumor; as, it is a mere on dit.
ON-HANGER n.
A hanger-on.
ON-LOOKER n.
A looker-on.
ON-LOOKING a.
Looking on or forward.
ONAGER n. 2 definitions
A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery. Fairholt.
ONAGGA n.
The dauw.
ONAGRACEOUS; ONAGRARIEOUS a.
Pertaining to, or resembling, a natural order of plants (Onagraceæ or Onagrarieæ), which includes the fuchsia, the willow- herb (Epilobium), and the evening primrose ().
ONANISM n.
Self-pollution; masturbation.
ONAPPO n.
A nocturnal South American monkey (Callithrix discolor), noted for its agility; -- called also ventriloquist monkey.
ONCE adv. 4 definitions
By limitation to the number one; for one time; not twice nor any number of times more than one. Ye shall . . . go round about the city once. Josh. vi. 3. Trees that bear mast are fruitful but once in two years. Bacon.
ONCIDIUM n.
A genus of tropical orchidaceous plants, the flower of one species of which (O. Papilio) resembles a butterfly.
ONCOGRAPH n.
An instrument for registering the changes observable with an oncometer.
ONCOMETER n.
An instrument for measuring the variations in size of the internal organs of the body, as the kidney, spleen, etc.
ONCOST n.
work and which cannot be charged directly to any particular article manufactured or work done (as where different kinds of goods are produced), but must be allocated so that each kind of goods or work shall bear its proper share. [Brit.]
ONCOTOMY n.
pening of an abscess, or the removal of a tumor, with a cutting instrument. [Written also onkotomy.] Dunglison.
ONDE n.
Hatred; fury; envy. [Obs.]
ONDOGRAM n.
The record of an ondograph.
ONDOGRAPH n.
An instrument for autographically recording the wave forms of varying currents, esp. rapidly varying alternating currents.
ONDOMETER n.
An electric wave meter.
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