Webster 1913 Edition



Securely placed or fastened; settled; established; firm; imovable; unalterable.
Stable; non-volatile.
Fixed air
(Old Chem.)
carbonic acid or carbon dioxide; – so called by Dr. Black because it can be absorbed or fixed by strong bases. See
Carbonic acid
, under
Fixed alkali
(Old Chem.)
a non-volatile base, as soda, or potash, in distinction from the volatile alkali ammonia.
Fixed ammunition
a projectile and powder inclosed together in a case ready for loading.
Fixed battery
a battery which contains heavy guns and mortars intended to remain stationary; – distinguished from movable battery.
Fixed bodies
those which can not be volatilized or separated by a common menstruum, without great difficulty, as gold, platinum, lime, etc.
Fixed capital
See the Note under
, 4.
Fixed fact
a well established fact.
Fixed light
one which emits constant beams; – distinguished from a flashing, revolving, or intermittent light.
Fixed oils
non-volatile, oily substances, as stearine and olein, which leave a permanent greasy stain, and which can not be distilled unchanged; – distinguished from volatile or
essential oils
Fixed pivot
the fixed point about which any line of troops wheels.
Fixed stars
such stars as always retain nearly the same apparent position and distance with respect to each other, thus distinguished from planets and comets.

Webster 1828 Edition



Settled; established; firm; fast; stable.
Fixed air, an invisible and permanently elastic fluid, heavier than common air and fatal to animal life, produced from the combustion of carbonaceous bodies, as wood or charcoal, and by artificial processes; called also aerial acid, cretaceous acid, and more generally, carbonic acid.
Fixed bodies, are those which bear a high heat without evaporation or volatilization.
Fixed stars, are such stars as always retain the same apparent position and distance with respect to each other, and are thus distinguished from planets and comets, which are revolving bodies.
Fixed oils, such as are obtained by simple pressure, and are not readily volatilized; so called in distinction from volatile or essential oils.

Definition 2024






  1. simple past tense and past participle of fix


fixed (comparative more fixed, superlative most fixed)

  1. Not changing, not able to be changed, staying the same.
    fixed assets
    I work fixed hours for a fixed salary.
    Every religion has its own fixed ideas.
    He looked at me with a fixed glare.
  2. Stationary.
  3. Attached; affixed.
    • 1992, Rudolf M. Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, page 4
      The closest affinities of the Jubulaceae are with the Lejeuneaceae. The two families share in common: (a) elaters usually 1-spiral, trumpet-shaped and fixed to the capsule valves, distally []
  4. Chemically stable.
  5. Supplied with what one needs.
    She's nicely fixed after two divorce settlements.
  6. (law) Of sound, recorded on a permanent medium.
    In the United States, recordings are only granted copyright protection when the sounds in the recording were fixed and first published on or after February 15, 1972.
  7. (dialectal, informal) Surgically rendered infertile (spayed, neutered or castrated).
    a fixed tomcat; the she-cat has been fixed
  8. Rigged; fraudulently prearranged.
  9. (of a problem) Resolved; corrected.



  • (not able to be changed, staying the same): mobile


Derived terms

See also

Most common English words before 1923: fifty · trust · perfectly · #850: fixed · leaves · chair · date