Word: Hydrogen
Part of Speech: Noun
Basic Definition:Hydrogen is a chemical element that is very light and typically exists as a colorless and odorless gas. It is highly flammable, which means it can easily catch fire. Hydrogen is the simplest and most abundant element in the universe.
Usage Instructions: You can use the word "hydrogen" to talk about science, especially chemistry, and when discussing elements and gases. It often appears in discussions about water (H₂O) since water is made of hydrogen and oxygen.
Example Sentence: - "Hydrogen is essential for the production of water, which is vital for all living things."
Advanced Usage: In scientific contexts, you might see hydrogen referred to in discussions about energy sources, such as hydrogen fuel cells, which use hydrogen to produce energy.
Word Variants: - Hydrogenated (adjective): Describes something that has had hydrogen added to it, often referring to oils in food. - Hydrogen-ion (noun): Refers to a positively charged ion (H⁺) of hydrogen, important in chemistry and biology.
Different Meanings: - In chemistry, "hydrogen" specifically refers to the element with the symbol H and atomic number 1. - In a broader context, hydrogen could be discussed in terms of its role in various chemical reactions or its potential as a clean energy source.
Synonyms: - There are no direct synonyms for "hydrogen" as it refers to a specific element. However, in some contexts, it may be grouped with other gases or elements like "gas" or "element."
Idioms and Phrasal Verbs:There are no widely recognized idioms or phrasal verbs that specifically include the word "hydrogen." However, phrases related to "hydrogen fuel" or "hydrogen bonds" are commonly used in scientific discussions.
Conclusion:Hydrogen is a vital element in both chemistry and the universe.