americium

am·er·i·ci·um

A a

Transcription

- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
- [am-uh-rish-ee-uh m]
- /ˌæm əˈrɪʃ i əm/
- /ˌæ.mə.ˈrɪ.siəm/

- US Pronunciation
- US IPA
- [am-uh-rish-ee-uh m]
- /ˌæm əˈrɪʃ i əm/

Definitions of americium word

noun americium a white metallic transuranic element artificially produced from plutonium. It is used as an alpha-particle source. Symbol: Am; atomic no: 95; half-life of most stable isotope, 243Am: 7.4 × 103 years; valency: 2,3,4,5, or 6; relative density: 13.67; melting pt: 1176°C; boiling pt: 2607°C (est) 3
noun americium a radioactive, metallic chemical element, one of the actinides, produced by the beta decay of an isotope of plutonium: symbol, Am; at. no., 95 3
noun americium a transuranic element, one of the products of high-energy helium bombardment of uranium and plutonium. Symbol: Am; atomic number: 95. 1
noun americium The chemical element of atomic number 95, a radioactive metal of the actinide series. 1
noun americium The chemical element (symbol Am) with an atomic number of 95. 0

See all 5 definitions of americium

Information block about the term

Origin of americium

First appearance:

before 1945

One of the 6% newest English words

An Americanism dating back to 1945-50; Americ(a) + -ium

Historical Comparancy

Parts of speech for Americium

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Americium

americium popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 66% of English native speakers know the meaning and use word.

This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

americium usage trend in Literature

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