nitro
nitro — noun
1. a short, everyday word for 'nitroglycerine', a medicine that people with heart d
a short, everyday word for 'nitroglycerine', a medicine that people with heart disease put under their tongue or spray into their mouth to stop or prevent sudden chest pain.
Mei-Lin felt a tightness in her chest, so she took a dose of nitro and waited for relief.
collocation: take a dose of nitro
The doctor told Mr. Okafor to keep his nitro spray in his coat pocket.
After heart surgery, Thomas carried a small bottle of nitro pills everywhere he went.
The paramedic asked Elena whether she had taken any nitro before the ambulance arrived.
Nitro widens the blood vessels so that more oxygen-rich blood reaches the heart.
- nitroglycerine
the full chemical name, more formal and used in medical writing
- glyceryl trinitrate
the scientific pharmaceutical name, rarely used outside prescriptions
文法句型
nitro + noun (nitro spray / nitro pill)
用法筆記
Only used as an informal spoken abbreviation for nitroglycerine in medical contexts. The full form appears in written prescriptions and official drug labels.
常見錯誤
nitro — adjective
- nitropositive
- more nitrocomparative
- most nitrosuperlative
1. relating to or containing the chemical unit NO₂ (one nitrogen atom joined to two
relating to or containing the chemical unit NO₂ (one nitrogen atom joined to two oxygen atoms), which appears in many industrial and laboratory substances.
The chemist warned that nitro compounds can become unstable when heated to high temperatures.
collocation: nitro compound
Dr. Haruki's research examines how nitro groups influence the colour of synthetic dyes.
Nitro derivatives of benzene are often used as raw materials in the pharmaceutical industry.
The safety sheet listed the nitro content of each substance before the lab experiment began.
Many nitro aromatic compounds are bright yellow or orange in their solid form.
文法句型
nitro + noun
用法筆記
This sense is almost exclusively used by chemists and in technical writing. The NO₂ group is sometimes called a 'nitro group' and is written as −NO₂ in structural formulas.
2. describing substances or products that have been chemically combined with nitrog
describing substances or products that have been chemically combined with nitrogen compounds, often used in fertilisers, fuels, paints, or explosives.
The farm switched to nitro fertilisers after the soil showed a serious lack of nitrogen.
collocation: nitro fertiliser
Kwame tested the performance of different nitro fuels in his engineering laboratory.
Nitro paints are popular in car repair because they dry fast and leave a hard finish.
The safety inspector checked the storage area for all nitro materials classified as hazardous.
Zola's chemistry project compared the burn rates of three different nitro-based rocket propellants.
- nitrated
the more precise technical term; 'nitro' is a shortened form used in product names
文法句型
nitro + noun
用法筆記
Distinguish from sense 1 (CONTAINING NO₂): this sense describes finished commercial or industrial products that contain nitro groups or nitrogen compounds as ingredients, not the chemical group itself.