Nitrogen
Definition
A gaseous chemical element, colorless, odorless, and tasteless, with atomic number 7 and symbol N, constituting approximately 78% of the Earth's atmosphere by volume; it is a fundamental component of amino acids, proteins, and nucleic acids, essential for all living organisms and widely used in industry in liquid form as a cryogenic agent or within chemical fertilizers.
Bilingual Equivalents
- Nitrogen
- Azote
Grammatical & Source Details
| Inflection Type | Neuter noun, functionally treated as mass noun, regular genitive form. |
| Formation | Borrowed from French 'azote', coined by Antoine Lavoisier from Greek 'a-' and 'zoe' meaning 'lifeless' due to its inability to support respiration. |
| Spelling / Pronunciation | [a.ˈzot] |
| Source | IUPAC Nomenclature of Inorganic Chemistry |
Contextual Usage Examples
RO: Plantele au nevoie de o cantitate adecvată de azot în sol pentru a-și dezvolta frunzele și tulpina în mod armonios.
EN: Plants need an adequate amount of nitrogen in the soil to develop their leaves and stems harmoniously.
RO: Inginerul a folosit azot lichid pentru a îngheța rapid eprubetele conținând culturile bacteriene sensibile.
EN: The engineer used liquid nitrogen to rapidly freeze the test tubes containing the sensitive bacterial cultures.
RO: Atmosfera planetei noastre este compusă în cea mai mare parte din azot gazos inert.
EN: The atmosphere of our planet is mostly composed of inert nitrogen gas.
Idioms & Phrases
Azot lichid / Liquid nitrogen
RO: Azot aflat în stare lichidă la o temperatură extrem de scăzută (sub -196 °C), utilizat în criogenie, medicină și gastronomie moleculară.
EN: Nitrogen in a liquid state at an extremely low temperature (below -196 °C), used in cryogenics, medicine, and molecular gastronomy.
Ciclul azotului / Nitrogen cycle
RO: Proces biogeochimic complex prin care azotul circulă succesiv prin atmosferă, sol, plante și organisme vii.
EN: A complex biogeochemical process through which nitrogen circulates successively through the atmosphere, soil, plants, and living organisms.
Fixarea azotului / Nitrogen fixation
RO: Fenomen biologic sau industrial prin care azotul atmosferic inert este convertit în compuși chimici asimilabili (precum amoniacul).
EN: A biological or industrial phenomenon whereby inert atmospheric nitrogen is converted into assimilable chemical compounds (such as ammonia).
Latest Contextual News
No recent news found for this topic.