americium
/ˌæməˈɹɪsiəm/noun
americium is spelled A-M-E-R-I-C-I-U-M: 9 letters and 5 syllables. It appears about once in every 11 million words in written English, the 98,107th most frequent word form (wordfreq, 2021 data). As a noun, americium means “The chemical element (symbol Am) with an atomic number of 95” (English Wiktionary, September 2026). The plural of americium is americiums.
How many letters and syllables are in americium?
| Letters | 9: A-M-E-R-I-C-I-U-M |
|---|---|
| Syllables | 5 (from its American pronunciation) |
| In writing | about once in every 11 million words; the 98,107th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is americium?
Americium appears about once in every 11 million words in written English, the 98,107th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce americium?
- /ˌæməˈɹɪsiəm/
Americium has 5 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Tesco250-americium.wav, LL-Q1860_(eng)-Naomi_Persephone_Amethyst_(NaomiAmethyst)-americium.wav, Wikimedia Commons (author and licence on each file's page).
Forms of americium
- americiums plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does americium mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The chemical element (symbol Am) with an atomic number of 95.
- 2
An atom of this element.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Americium in Spanish, French, German and Portuguese
In the sense chemical element with atomic number 95:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does americium come from?
From Americ(as) + -ium, by analogy with europium.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).