English dictionary
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English noun: atomic number 2 | |||
| 1. | atomic number 2 (substance) a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas) | ||
| Synonyms | He, helium | ||
| Broader (hypernym) | argonon, chemical element, element, inert gas, noble gas | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk