Meaning & Definition of Hydrogen in English

Detailed Definitions

• Definition: A chemical element with symbol H and atomic number 1, existing as a colorless gas.

  Example Sentence: Hydrogen is the most abundant element in the universe.

• Definition: The simplest and lightest element, used as a fuel in various applications.

  Example Sentence: The rocket used liquid hydrogen as fuel.

Etymology

Origin: From the Greek word 'hydro' meaning water and 'genes' meaning creator or former.

Synonyms

Common Phrases and Expressions

• hydrogen bond: A type of chemical bond that occurs when a hydrogen atom covalently bonded to a more electronegative atom is attracted to another electronegative atom.
• hydrogen economy: An economic system that uses hydrogen as a key energy carrier.

Translations

• Spanish: hidrógeno

• French: hydrogène

• German: Wasserstoff

• Russian: водород

Related Words

• hydrogenation: The process of adding hydrogen to an organic compound.

• hydroxide: A compound containing the hydroxyl ion, OH^-.

Slang Meanings of hydrogen

• Meaning: H2

  Example Sentence: When referring to hydrogen gas, people often just say H2.

• Meaning: Rocket fuel

  Example Sentence: In the context of space travel, hydrogen is sometimes called 'rocket fuel'.