Now rare. [badly f. FIX a. or FIXED ppl. a., after fluidity.] = FIXITY.
R. cites an example from Boyle’s Works (1772), III. 78, where the orig. reading is fixity: see FIXITY 1 quot. 1666.
1762. trans. Busching’s Syst. Geol., I. 45. Among the base metals, Copper retains its fixidity the longest in the fire next to Iron.
1778. W. Pryce, Min. Cornub., I. iii. 51. Quicksilver … has every property of Metal except fixidity.
1872. W. F. Butler, Great Lone Land, xiii. (1875), 198. Assuming greater fixidity of purpose, they [streams] gather up many a wandering rill, and start eastward upon a long journey.
