Word Pronunciation & Dictionary

ununoctium

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables: un-unoc-tium
IPA

14

Scrabble Score

10

Letters

3

Syllables

7

Unique Chars

Meaning

noun

The systematic element name for the chemical element with atomic number 118 (symbol Uuo); now named oganesson.

Dated; Uncountable

Example Sentences

"“The chemistry community is eager to see its most cherished table finally being completed down to the seventh row. IUPAC has now initiated the process of formalizing names and symbols for these elements temporarily named as ununtrium, (Uut or element 113), ununpentium (Uup, element 115), ununseptium (Uus, element 117), and ununoctium (Uuo, element 118)” said Professor Jan Reedijk, President of the Inorganic Chemistry Division of IUPAC."
"Prior to and during the naming process, the element may be referred to by its atomic number, for example as in ‘element 118’, or by its provisional systematic name, ‘ununoctium’."

Etymology

Systematic element name, from un- + un- + oct- + -ium.

Usage

Frequently Paired Words

tennessine Ts ununennium Uue

Synonyms

eka-radon oganesson

Questions

What does ununoctium mean?: The systematic element name for the chemical element with atomic number 118 (symbol Uuo); now named oganesson.
Where does ununoctium come from?: Systematic element name, from un- + un- + oct- + -ium.

How to pronounce ununoctium

Open the pronunciation page — Open the Speakur entry for “ununoctium”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “ununoctium”.
Repeat and practice — Say “ununoctium” aloud, matching stress and vowels until it feels natural.