"ternary" -> "three-argument"

Author: serhiy-storchaka

Doc/reference/datamodel.rst

@@ -3319,7 +3319,7 @@ left undefined.
    :meth:`__divmod__` method should be the equivalent to using
    :meth:`__floordiv__` and :meth:`__mod__`; it should not be related to
    :meth:`__truediv__`.  Note that :meth:`__pow__` should be defined to accept
-   an optional third argument if the ternary version of the built-in :func:`pow`
+   an optional third argument if the three-argument version of the built-in :func:`pow`
    function is to be supported.
 
    If one of those methods does not support the operation with the supplied
@@ -3357,13 +3357,13 @@ left undefined.
    is a subclass of ``type(x)``. [#]_
 
    Note that :meth:`__rpow__` should be defined to accept an optional third
-   argument if the ternary version of the built-in :func:`pow` function
+   argument if the three-argument version of the built-in :func:`pow` function
    is to be supported.
 
    .. versionchanged:: next
 
-      Ternary :func:`pow` now try calling :meth:`~object.__rpow__` if necessary.
-      Previously it was only called in binary :func:`!pow` and the binary
+      Three-argument :func:`pow` now try calling :meth:`~object.__rpow__` if necessary.
+      Previously it was only called in two-argument :func:`!pow` and the binary
       power operator.
 
    .. note::

Doc/whatsnew/3.14.rst

@@ -307,8 +307,8 @@ Other language changes
   The testbed can also be used to run the test suite of projects other than
   CPython itself. (Contributed by Russell Keith-Magee in :gh:`127592`.)
 
-* Ternary :func:`pow` now try calling :meth:`~object.__rpow__` if necessary.
-  Previously it was only called in binary :func:`!pow` and the binary
+* Three-argument :func:`pow` now try calling :meth:`~object.__rpow__` if necessary.
+  Previously it was only called in two-argument :func:`!pow` and the binary
   power operator.
   (Contributed by Serhiy Storchaka in :gh:`130104`.)
 

Misc/NEWS.d/next/Core_and_Builtins/2025-02-18-11-42-58.gh-issue-130104.BOicVZ.rst

@@ -1,4 +1,4 @@
-Ternary :func:`pow` now try calling :meth:`~object.__rpow__` if
+Three-argument :func:`pow` now try calling :meth:`~object.__rpow__` if
 necessary.
-Previously it was only called in binary :func:`!pow` and the binary
+Previously it was only called in two-argument :func:`!pow` and the binary
 power operator.