On gloss:

fy
letteral for f.
li'orkliru in sense "element"
x1 is a quantity of/contains/is made of fluorine.

In definition:

vai
digit/number: hex digit F (decimal 15) [fifteen].
fa'ai'ai (exp!)
mekso k-ary operator, for natural k and 1 < k < 5: ordered input (f, g, S, m) where f and g are functions, S is a set of positive integers or "ro" (="all"), and m is 0 or 1 (as a toggle); output is a function equivalent to the function f as applied to an input ordered tuple with g applied to the entries/terms with indices in S (or to all entries/terms if S="ro") if m=0, or g left-composed with the same if m=1.
fau'e (exp!)
iterated function left-composition with self: f∘f∘...∘f, n times.
gau'a (exp!)
mekso (no-more-than-4-ary) operator: Gaussian function f(x, a, b, c) = c e-((x-a).
lai'ai (exp!)
digit/number: hex digit F (decimal 15) [fifteen].
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).
ojbau
x1 s ojban, ialect f he ojban anguage hose ismu ack nitial onsonants.

In notes:

bitygau
g1 convinces/persuades b1 that b2 is true.
brocesri'inunsla
n1 is Chanukkah/Hanukkah celebrated by s1 with activities s3
dubyfancu
f1 is an identity function/single-valued mapping from domain f2 to range f3
faircu'u
c1 is/are a/the function/activities involving persons c2 distributing f1 among/to f2; c1 is distribution
fa'irgau
g1 reveals to f1 f2 (du'u) about subject/object f3
febgau
g1 (person/agent) boils x2=f1 at temperature x3=f2 and pressure x4=f3.
ficystodraunju
x1 is an injective function (distinctness-preserving function) from x2 (domain) to x3 (codomain).
grutersro
t1 is a silo for grain/cereal t2=g1
jaursabji
s1 irrigates/waters s3
jaursabypatxu
p1 is a watering can used by s1 to water/irrigate s3 made of p3
jintyke'a
k1=j1 is a well in k2 containing fluid j2 at location j3.
kadnyfasybau
k1=f1=b1 is the Canadian French language used by b2 to express/communicate b3 (si'o/du'u, not quote).
kisybau
k1=b1 is the Pakistani Urdu language used by b2 to communicate b3 (si'o/du'u, not quote)
kulgu'a
x1=g1 works on x2=g2 with goal/purpose x3=g3 which is associated to school x4=c1 at x5=c2 teaching subject(s) x6=c3 to audience/community x7=c4 (of which x1 is a part) operated by x8=c5
madysku
c1=m2 moralizes expressing c2 (sedu'u/text/lu'e concept) to audience c3 via expressive medium c4 using/based on ethics/morals/moral standards/ethical standards m1
mexybau
m1=b1 is the Mexican Spanish language used by b2 to express/communicate b3 (si'o/du'u, not quote).
mi'asna
s1 is laughter emitted by s2=c1
mucydekpu
d1 is d2 (default 1) tablespoon(s)/tablespoonful(s) [volume-unit], standard d3=m1 (default 1=15 mL),d4 dessertspoon(s),d5 teaspoon(s), d6 one ml measuring spoon(s).
mujyku'e
k1 is universal in domain m2 defined by rules m3
nincu'u
cu1=cn1 is a new business involving persons cu2
nincu'upre
p1 is an intrepreneur involved in business cu1=cn1
nunsezyfanta
n1 is self-restraint shown by f1=s2
pirlarfi'i
f1=p3 paints picture f2=p1 in style/art form l1 representing/showing p2=f4 on medium p4
plinyxabykoi
k1 is the equator of planet x2=p1 (default Earth) revolving around p2
plinyxadba
x1 is a hemisphere of planet x2 (default Earth) revolving around p2
rabybau
r1=b1 is the Arabic language used by b2 to express/communicate b3 (si'o/du'u, not quote).
sairfa'o
f1=s2 is the dessert of meal f2=s1
selylacka'e
l2=k1 is trustworthy for l1 to bring about/ensure/maintain l3 under conditions k3
sezmlugau
g1=se2 pretends to have property(ies) si2 to observer si3 under conditions si4
sezyfanta
f1=s2 exercises/show self-restraint
si'astu
st1 is a place of honor/[shrine/podium/wall area/trophy case] for person/thing/[event] st2=si2 venerated/honored by si1
skezu'e
z1 is an engineer in the branch of s2 based on methodology s3 with purpose/goal z3
snocanci
c1 fades from location c2
solminli
x1 is x2 (default 1) Astronomical Unit(s) (AU) by standard x3.
sosyzda
x1 is a hamlet/settlement with inhabitants x2
sralygu'e
s1=g1 is Australia
tabykrili
k1 is crystalline carbon (default diamond) in form/arrangement k3
tanminli
x1 is x2 (default 1) parsec(s) by standard x3.
tcabriju
b1 is the city/town hall of city/town t1
ticyve'u
v1 fraudulently sells v2 [goods/service/commodity] to buyer v3=t2 for amount/cost/expense v4
tolckape
c1 is safe for c2 under conditions c3
tolnu'a
s1 is threatened by s2 (event)
xalpixydu'e
p1 drinks too much alcohol of type p2 from p3 by standard d3; p1 is a drunk
xislivnunsla
n1 is Easter celebrated by s1 with activities s3
xisyjbedetri
d1 is Christmas Day at location d3 in calendar d4.
xumsle
s1 is a molecule of chemical x2.
zbafavycu'u
c1 is/are the function/activities involving persons c2 developing products f2=z2 made by z1; c1 is product development.
salri
x1 is the differintegral of x2 with respect to x3 of order x4, with differintegration being according to definition/specification or of type x5.
bai'i'i (exp!)
mekso operator: in ordered tuple/list/vector/sequence X1, replace the X2th entry with term X3 of appropriate type, and leave all other entries untouched (optional: where the index for the very first/leading/header entry is X4).
fa'au (exp!)
mathematical unary operator: map notation
fau'i (exp!)
mekso ternary operator: inverse function of input function X1 with respect to its input X2, taken on branch or restricted domain X3 ("domain" being of X1).
kei'ai (exp!)
mekso style converter: elementwise application of operator
mau'au
mekso: conversion of operator/function to operand
pei'e'a (exp!)
at-most-3-ary mekso operator: "integer exponent" for X1 divided by X2 in algebraic structure X3
sei'au
terbri editor: passes the terbri value through the quoted function so that the sumti that fills it really is filling the output of the function
vu'ai (exp!)
base-dependent digit: the maximum possible single-digit number expressible in the relevant number base.
bangrfarsi
x1 is the Farsi language used by x2 to express/communicate x3 (si'o/du'u, not quote).
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.
enklesi
x1 is an (arbitrary) x2-set (li) of superset x3; x1 is subset/subgroup/subcategory/subclass/vel sim. of x3 with cardinality/size x2.
estre
x1 is an ester derived from acid x2 and alcohol x3
funtiio
x1 (plural of ordered pairs) is an exhaustive set (possibly infinite) of inputs/outputs defining a unary function which yields result x3 when given input x2; x1(x2) = x3
ionti
x1 is an ion of radical/(atom of element)x2 with x3 charges
kulnrturko
x1 is Turkic/pertains to Turkic culture in aspect x2
salrixo
x1 is the differintegral of x2 with respect to x3 of order x4, with differintegration being according to definition/specification or of type x5.
socnrpanrnji'akobi
x1 is a binary operator in structure x2 which exhibits the Jacobi property with respect to binary operator x3 (which also endows x2) and element/object x4 (which is an element of the underlying set which form x2).
spatnrafanu
x1 is a radish (plant) of variety x2
stagnrafanu
x1 is a radish (root/bulb) of variety x2
tartidu
x1 is directly/linearly proportional to x2 via coefficient/constant of proportionality x3 and background/constant offset x4; there exists constants x3 and x4 such that x1 = x3×x.
cu'a zei fancu
f1 is an absolute value function from domain f2 to range f3.
masKUAS
Moscow