hafnium

haf·ni·um

H h

Transcription

- US Pronunciation
- US IPA
- [haf-nee-uh m, hahf-]
- /ˈhæf ni əm, ˈhɑf-/

- US Pronunciation
- US IPA
- [haf-nee-uh m, hahf-]
- /ˈhæf ni əm, ˈhɑf-/

Definitions of hafnium word

noun hafnium a gray, toxic metallic element with a high melting point (over 2000°C), found in most zirconium minerals. Symbol: Hf; atomic weight: 178.49; atomic number: 72; specific gravity: 12.1. 1
noun hafnium The chemical element of atomic number 72, a hard silver-gray metal of the transition series, resembling and often occurring with zirconium. 1
noun hafnium a bright metallic element found in zirconium ores: used in tungsten filaments and as a neutron absorber in nuclear reactors. Symbol: Hf; atomic no: 72; atomic wt: 178.49; valency: 4; relative density: 13.31; melting pt: 2231±20°C; boiling pt: 4603°C 0
noun hafnium a metallic chemical element found with, and similar to, zirconium: used in the manufacture of light-bulb filaments and in reactor control rods: symbol, Hf; at. no., 72 0

See all 4 definitions of hafnium

Information block about the term

Origin of hafnium

First appearance:

before 1923

One of the 12% newest English words

1923; < New Latin Hafn(ia) Copenhagen + -ium

Historical Comparancy

Parts of speech for Hafnium

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Hafnium

hafnium popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 68% 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.

hafnium usage trend in Literature

This diagram is provided by Google Ngram Viewer