The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
Used in a Sentence
hydrogen
Definitions, parts of speech, synonyms, and sentence examples for hydrogen.
Editorial note
I don't mind storing and transporting hydrogen Spoken like someone who has never tried to store or transport hydrogen.
Examples16
Definitions4
Parts of speech1
Quick take
The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
Meaning at a glance
The clearest senses and uses of hydrogen gathered in one view.
Molecular hydrogen (H₂), a colourless, odourless and flammable gas at room temperature.
An atom of the element.
Definitions
Core meanings and parts of speech for hydrogen.
noun
The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
noun
Molecular hydrogen (H₂), a colourless, odourless and flammable gas at room temperature.
noun
An atom of the element.
noun
The isotope hydrogen-1 (protium) (symbol H or ¹H), contrasting with deuterium and tritium
Example sentences
I don't mind storing and transporting hydrogen Spoken like someone who has never tried to store or transport hydrogen.
You certainly haven't actually tried to use those hydrogen fuel cells for anything real, not even in a lab.
A 0.1 drop from ph 8.2 to 8.1 corresponds to something like a 30% increase in hydrogen ion concentration.
The specific impulse of the fuel is going to be inversely proportional to the square root of the molecular weight of the propellant, which is why they use hydrogen.
Guy that worked at a hydrogen plant made that point to me when talking about the safety precautions they took.
Similarly, I think saying both 'the sun is powered by gravity', 'the sun is powered by hydrogen' and 'the sun is powered by fusion' is reasonable.
How feasible is it to use compressed air instead of hydrogen as a working fluid?
Other choices are neon (but it's heavier) and hydrogen, which would react with the oxygen.
Water is useful as fuel (LOX and liquid hydrogen or methane), as reaction mass, and as radiation shielding when you're flying around.
A fuel cell that carries only hydrogen and harvests oxygen from the atmosphere...
Side note: My understanding why people want to use hydrogen is it's a light particle, making it easy to accelerate it to high speeds.
And since you're tied to substantial ground infrastructure anyhow, the work to source and compress the hydrogen prior to launch pretty much comes free.
Quote examples
There are three basic ingredients which go into making planets: rock (including pure metals), "ice" (a catch-all term which includes all phases of water along with methane and ammonia) and hydrogen/helium mixture.
"Based on its density, scientists think GJ 1214b is made up of about three-quarters liquid water with a solid core of iron and nickel and an atmosphere of hydrogen and helium—not unlike Earth." what This is either terrible writing or terrible science (on the author's part, not the scientists', I would imagine).
>" A mix of random chance and physical laws happened to create the right environment for hydrogen and oxygen and carbon and nitrogen to exist in the same place at stable temperatures for a couple billion years, and we got life." That sentence just skipped over the most important part of the whole question!
Proper noun examples
Hydrogen is the most common element in the universe.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use hydrogen in a sentence?
I don't mind storing and transporting hydrogen Spoken like someone who has never tried to store or transport hydrogen.
What does hydrogen mean?
The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
What part of speech is hydrogen?
hydrogen is commonly used as noun.