(helium)
41helium-4 — ¦ ̷ ̷ ̷ ̷ ̷ ̷ ˈ ̷ ̷ noun Etymology: helium + 4, mass number of the isotope : helium …
42helium-3 — ¦ ̷ ̷ ̷ ̷ ̷ ̷ ˈ ̷ ̷ noun Etymology: helium + 3, mass number of the isotope : the isotope of helium having the mass number three …
43helium — Noble No ble, a. [Compar. {Nobler}; superl. {Noblest}.] [F. noble, fr. L. nobilis that can be or is known, well known, famous, highborn, noble, fr. noscere to know. See {know}.] 1. Possessing eminence, elevation, dignity, etc.; above whatever is… …
44helium-3 — noun The rare isotope of helium, , that has a single neutron …
45helium-4 — noun The normal isotope of helium, , that has two neutrons …
46helium — (entrée créée par le supplément) (é li om ) s. m. Nom donné par les astronomes à une substance inconnue sur la terre, et que la spectroscopie paraît montrer dans le soleil, RADAU, Rev. des Deux Mondes, 15 mai 1876, p. 433..... • Et enfin [dans… …
47helium — noun Helium is used before these nouns: ↑balloon …
48helium — [[t]hi͟ːliəm[/t]] N UNCOUNT Helium is a very light gas that is colourless and has no smell …
49helium — s ( et el. heliet el. helium) KEMI …
50helium I — | ̷ ̷ ̷ ̷ ̷ ̷ˈwən noun : normal liquid helium boiling at 4.2° K under a pressure of 1 atmosphere and capable of existing between the critical point 5.2° K and 2.26 atmosphere and the lambda point of 2.19° K …
