Online English learning Courses
    courses   dictionary
Double-click any word on the page to look it up in the dictionary.

Audio English.org » Dictionary » H » Hydraulic Brake Cylinder ... Hydrogenate

HYDROGEN

Pronunciation (US): 

 Dictionary entry overview: What does hydrogen mean? 

HYDROGEN (noun)
  The noun HYDROGEN has 1 sense:

1. a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

  Familiarity information: HYDROGEN used as a noun is very rare.


 Dictionary entry details 


HYDROGEN (noun)


Sense 1hydrogen [BACK TO TOP]

Meaning:

A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

Classified under:

Nouns denoting substances

Synonyms:

atomic number 1; H; hydrogen

Hypernyms ("hydrogen" is a kind of...):

chemical element; element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)

gas (a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely)

Hyponyms (each of the following is a kind of "hydrogen"):

tritium (a radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms)

Holonyms ("hydrogen" is a substance of...):

H2O; water (binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent)


 Learn English with... Proverbs of the week 
"Barking dogs seldom bite." (English proverb)

"It is more becoming to have a large nose than two small ones" (Breton proverb)

"The deserter is the brother of the murderer." (Arabic proverb)

"The most beautiful laughter comes from the mouth of a mourner." (Corsican proverb)

 HYDROGEN: related words searches 

Page delivered in 0.095 seconds