On gloss:

cnanfadi
x1 (li; number/quantity) is the weighted quasi-arithmetic mean/generalized f-mean of/on data x2 (completely specified ordered multiset/list) using function x3 (defaults according to the notes; if it is an extended-real number, then it has a particular interpretation according to the Notes) with weights x4 (completely specified ordered multiset/list with same cardinality/length as x2; defaults according to Notes).

On affix form:

marxa
x1 [force] mashes/crushes/squashes/smashes x2 into pulp/mash/crumbs/deformed mass x3.

In notes:

nacyzmarai
x1 (number) is the greatest element/maximum of the set (of numbers) x2 under (partial) ordering x3
pei'e'a (exp!)
at-most-3-ary mekso operator: "integer exponent" for X1 divided by X2 in algebraic structure X3
cnansari
x1 is the mean-value theorem mean/forward-difference-quotient mean of the elements of (multi)set x2 (1-element or 2-element set) under/for function x3.