fixed : Idioms & Phrases

• (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 Carbonic.

Webster 1913

• (Old Chem.), a non-volatile base, as soda, or potash, in distinction from the volatile alkali ammonia.

Webster 1913

• (Mil.), a projectile and powder inclosed together in a case ready for loading.

Webster 1913

• (Mil.), a battery which contains heavy guns and mortars intended to remain stationary; distinguished from movable battery.

Webster 1913

• those which can not be volatilized or separated by a common menstruum, without great difficulty, as gold, platinum, lime, etc.

Webster 1913

• . See the Note under Capital, n., 4.

Webster 1913

• a well established fact. Colloq.

Webster 1913

• one which emits constant beams; distinguished from a flashing, revolving, or intermittent light.

Webster 1913

• noun nonvolatile animal or plant oil
  fatty oil; fixed oil.
  

WordNet

• (Chem.), 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.

Webster 1913

• (Mil.), the fixed point about which any line of troops wheels.

Webster 1913

• noun any star in the Ptolemaic theory of planetary motion
  fixed star.
  

WordNet

• (Astron.), such stars as always retain nearly the same apparent position and distance with respect to each other, thus distinguished from planets and comets.

Webster 1913