Reference meaning
Hf
Last updated
a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
Related source terms
Other meanings
2. noun
3 to 30 megahertz
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 14639556-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.