Uncountable Nouns That End in IUM
Explore 261 verified English uncountable nouns ending with the suffix -IUM, including Sodium, Equilibrium, Helium, Calcium, Consortium, Magnesium and Lithium. Useful for quantifier accuracy, academic writing, and ESL study and rhyming patterns, browse these mass nouns and non-count terms for substances and concepts below or check quantifier and measurement rules in our noun grammar guide.
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Starts with A10 words
ammonium
actinium
americium
alluvium
atracurium
allodium
aspidium
arbitrium
actinouranium
anhalonium
Starts with B9 words
belgium
barium
beryllium
byzantium
bohrium
berkelium
bdellium
benzenediazonium
brimborium
Starts with C24 words
calcium
consortium
condominium
chromium
cadmium
cesium
californium
cryptosporidium
curium
cerium
corium
cambium
columbium
conium
charmonium
colluvium
codium
cladosporium
collyrium
copernicium
colophonium
chelidonium
contagium
coronium
Starts with D20 words
delirium
disequilibrium
deuterium
disodium
dysprosium
dominium
diluvium
dubnium
diammonium
diazonium
darmstadtium
deliquium
desiderium
didymium
decamethonium
diacodium
dihelium
desmepithelium
diascordium
diagrydium
Starts with E21 words
equilibrium
epithelium
endometrium
elysium
endothelium
erbium
europium
effluvium
einsteinium
ethidium
evangelium
endomysium
endoneurium
euphorbium
excambium
eluvium
erythronium
endodontium
elaterium
emanium
epimyocardium
Starts with F11 words
freemium
francium
fermium
ferrocerium
flerovium
ferrovanadium
ferrochromium
ferrotitanium
fastigium
fastidium
ferrozirconium
Starts with G5 words
gallium
germanium
gadolinium
gelsemium
glucinium
Starts with H14 words
helium
hafnium
hospitium
holmium
hydronium
hassium
hahnium
hexamethonium
hydropericardium
hydroxonium
hematopericardium
hydroxium
helvetium
hydropneumopericardium
Starts with I10 words
iridium
imperium
indium
ipratropium
ingenium
ionium
intermedium
illuvium
illinium
iridosmium
Starts with J
1 words joliotium
Starts with K
2 words kalium
kurchatovium
Starts with L10 words
lithium
lutetium
lycopodium
livermorium
lawrencium
limonium
lixivium
latrocinium
laserpicium
lenocinium
Starts with M15 words
magnesium
mycelium
myocardium
meconium
myometrium
magisterium
moscovium
mendelevium
mesothelium
minium
muonium
meitnerium
mesothorium
masurium
magnalium
Starts with N10 words
niobium
neodymium
neptunium
nonequilibrium
nihonium
natrium
neuroepithelium
nobelium
nebulium
nielsbohrium
Starts with O9 words
opium
opprobrium
odium
osmium
oidium
osmiridium
oxonium
ordalium
opsonium
Starts with P24 words
potassium
plutonium
pandemonium
palladium
polonium
psyllium
positronium
praseodymium
promethium
pythium
protium
protactinium
puerperium
procambium
perichondrium
phosphonium
pericranium
pancratium
peculium
perineurium
pneumopericardium
proprium
postliminium
panaritium
Starts with R10 words
radium
rhodium
rubidium
rhenium
ruthenium
rutherfordium
roentgenium
radiostrontium
radiothorium
rhynchosporium
Starts with S18 words
sodium
selenium
strontium
scandium
sensorium
silphium
samarium
stramonium
stibium
silentium
seaborgium
silicium
sepium
spodium
sulfonium
sacerdotium
suxamethonium
subdelirium
Starts with T12 words
titanium
tedium
thorium
thallium
tritium
tellurium
technetium
terbium
thulium
tetrazolium
tirocinium
tridominium
Starts with U7 words
uranium
unununium
ununbium
unnilquadium
unnilhexium
unnilpentium
unnilseptium
Starts with V4 words
valium
vanadium
verticillium
virginium
Starts with Y
2 words yttrium
ytterbium
Starts with Z
1 words zirconium