In definition:

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).
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
iterated function left-composition with self: f∘f∘...∘f, n times.
fy
letteral for f.
gau'a (exp!)
mekso (no-more-than-4-ary) operator: Gaussian function f(x, a, b, c) = c e-\frac(x-a).
lai'ai (exp!)
digit/number: hex digit F (decimal 15) [fifteen].
ojbau
x1 s ojban, ialect f he ojban anguage hose ismu ack nitial onsonants.
vai
digit/number: hex digit F (decimal 15) [fifteen].

In notes:

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).
bangrfarsi
x1 is the Farsi language used by x2 to express/communicate x3 (si'o/du'u, not quote).
bitygau
g1 convinces/persuades b1 that b2 is true.
brocesri'inunsla
n1 is Chanukkah/Hanukkah celebrated by s1 with activities s3
ci'ai'u (exp!)
Mekso unary or binary operator: n-set or integer interval; in unary form, it maps a nonnegative integer X1 = n to the set \1, \dots , n\ (fully, officially, and precisely: the intersection of (a) the set of exactly all positive integers with (b) the closed ordered interval [1, n] such that n \geq 1; see notes for other n); in binary form, it maps ordered inputs (X1, X= (m, n) to the intersection of (a) the set of exactly all integers with (b) the closed ordered interval [m, n].
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.
cu'a zei fancu
f1 is an absolute value function from domain f2 to range f3.
dubyfancu
f1 is an identity function/single-valued mapping from domain f2 to range f3
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
fa'au (exp!)
mathematical unary operator: map notation
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
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).
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).
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
grutersro
t1 is a silo for grain/cereal t2=g1
ionti
x1 is an ion of radical/(atom of element)x2 with x3 charges
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).
kei'ai (exp!)
mekso style converter: elementwise application of operator
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
kulnrturko
x1 is Turkic/pertains to Turkic culture in aspect x2
labybla
x1 is light blue (color adjective)
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
mai'u'au (exp!)
unary mekso operator: parity of function; if the input is a unary real-valued function X1 which is defined on a subset of the reals, then the output is 1 is X1 is even, -1 if X1 is odd, and 0 otherwise.
mai'u'ei (exp!)
mekso unary operator: Levi-Civita symbol; for input n-tuple (a1, a ... , an), where n is a strictly positive integer, the output is \varepsilona, where \varepsilon is the Levi-Civita symbol under the convention of mapping (1, 2, ..., n) to 1.
masKUAS
Moscow
mau'au
mekso: conversion of operator/function to operand
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
pei'e'a (exp!)
at-most-3-ary mekso operator: "integer exponent" for X1 divided by X2 in algebraic structure X3
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
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.
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.
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
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
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).
solminli
x1 is x2 (default 1) Astronomical Unit(s) (AU) by standard x3.
sosyzda
x1 is a hamlet/settlement with inhabitants x2
spatnrafanu
x1 is a radish (plant) of variety x2
sralygu'e
s1=g1 is Australia
stagnrafanu
x1 is a radish (root/bulb) of variety x2
tabykrili
k1 is crystalline carbon (default diamond) in form/arrangement k3
tanminli
x1 is x2 (default 1) parsec(s) by standard x3.
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.
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)
vu'ai (exp!)
base-dependent digit: the maximum possible single-digit number expressible in the relevant number base.
xalpixydu'e
p1 drinks too much alcohol of type p2 from p3 by standard d3; p1 is a drunk
xekri'o
x1 is dark/forest green (color adjective)
xislivnunsla
n1 is Easter celebrated by s1 with activities s3
xisyjbedetri
d1 is Christmas Day at location d3 in calendar d4.
xlatra
x1=t1=xl1 misbehaves / is naughty for doing x2=t2 (property/event) under conditions x3=t3 by standard / breaking rule x4=xl3
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.