fixity

• (dated): fixety

From fix + -ity.

• IPA^(key): /ˈfɪksɪti/

fixity (countable and uncountable, plural fixities)

1. (uncountable) The state or condition of being fixed; Fixation.
   • 1995, Andreu Mas-Colell, Michael D. Whinston, Jerry R. Green, Microeconomic Theory, Oxford University Press, page 557:

     [O]therwise, it is almost inescapable that there must be some sort of centralized mechanism guaranteeing the fixity of prices[.]

2. (countable) Something fixed.
3. (programming) The position of an operator relative to its operand (prefix, postfix) or operands (infix).

   One may use a fixity declaration in Haskell to describe an operator's precedence and direction of associativity.

• (state or condition of being fixed): fixedness

• fixidity