Dictionary.com
definitions
  • synonyms

helium I

See more synonyms for helium I on Thesaurus.com
noun
  1. colorless liquid helium existing below its boiling point of 4.2 K and above the lambda point of 2.186 K.
Show More
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018