Hydrogen — Meaning, Definition & Synonyms

noun /ˈhī-drə-jən/ hy·dro·gen

Meaning & Definition of Hydrogen

Hydrogen (noun)

  1. a nonmetallic gaseous chemical element with atomic number 1 that is the simplest and lightest of the elements and that is used especially in the processing of fossil fuels and the synthesis of ammonia —often used before another noun

Word Forms of Hydrogen

Derived words: hydrogenous (adjective)

Origin & Etymology of Hydrogen

French hydrogène, from hydr- + -gène -gen; from the fact that water is generated by its combustion

First known use: 1788

Vocabulary Lists & Topics for Hydrogen

Words & Phrases Containing Hydrogen

hydrogen bomb, hydrogen bond, hydrogen bromide, hydrogen chloride, hydrogen cyanide, hydrogen fluoride, hydrogen iodide, hydrogen ion, hydrogen peroxide

Frequently Asked Questions about Hydrogen

What does "Hydrogen" mean?

"Hydrogen" means a nonmetallic gaseous chemical element with atomic number 1 that is the simplest and lightest of the elements and that is used especially in the processing of fossil fuels and the synthesis of ammonia —often used before another noun. As a noun, it is defined as: a nonmetallic gaseous chemical element with atomic number 1 that is the simplest and lightest of the elements and that is used especially in the processing of fossil fuels and the synthesis of ammonia —often used before another noun.

Is "Hydrogen" a noun, verb, or adjective?

"Hydrogen" is a noun.

Is "Hydrogen" useful for IELTS, TOEFL, and other English exams?

As a C1-level word, "Hydrogen" is typical of Cambridge C1 Advanced (CAE), IELTS band 7.0–8.0, TOEFL iBT 95–113, PTE Academic 76–84, TOEIC Listening & Reading 945+. Advanced words like this are also useful for the GRE, SAT, GMAT, and LSAT.

How do you pronounce "Hydrogen"?

"Hydrogen" is pronounced /ˈhī-drə-jən/ and divided into syllables as hy·dro·gen.

What is the origin of the word "Hydrogen"?

"Hydrogen" comes from French hydrogène, from hydr- + -gène -gen; from the fact that water is generated by its combustion. First known use: 1788.

What CEFR level is "Hydrogen"?

"Hydrogen" is a C1-level word in SophDict's CEFR vocabulary lists, which group English words from A1 (beginner) to C2 (proficient).

What topics is "Hydrogen" used in?

"Hydrogen" is commonly used in topics such as Weather & Nature.

What words are derived from "Hydrogen"?

Words derived from "Hydrogen" include hydrogenous (adjective).