to combine with oxygen; the chemical process of losing electrons (as in rusting or combustion)

oxygen gas; a colorless and odorless gas that is the most abundant element in the earth's crust and is essential for respiration and combustion

to lack oxygen; to be oxygen-poor or anaerobic

carbon dioxide; a colorless, odorless gas used for carbonated drinks and fire extinguishers, also known as [[碳酸气|碳酸氣|tan4 suan1 qi4]]

Aluminum oxide; a white, insoluble powder formed by dehydrating aluminum hydroxide at high temperatures.

sulfur dioxide (SO2); a colorless, toxic gas with a pungent odor used as a bleach, preservative, and disinfectant

a chemical compound consisting of oxygen combined with another element or group

A colorless, odorless, and highly toxic gas produced by the incomplete combustion of carbon; used as a fuel and in chemical industries.

relating to, involving, or requiring an absence of free oxygen

(chemical) peroxide

ozone; an allotrope of oxygen with a strong odor, often used as a bleaching agent or for disinfection

A steel cylinder used for storing oxygen, typically cylindrical in shape with a regulator valve and connection at the top.

Oxygen at a pressure higher than the atmosphere, used for medical treatment; hyperbaric oxygenation

A solution of hydrogen peroxide used for cleaning wounds, disinfecting, or bleaching; also used in chemistry as an oxidant or reducing agent

hydrogen peroxide; a chemical compound with the formula H2O2

sodium hydroxide; caustic soda; NaOH

the layer of the Earth's atmosphere that contains a high concentration of ozone, which absorbs most of the sun's ultraviolet radiation

to remove oxygen from a substance, particularly from liquid metal during the smelting process to improve its quality; deoxidation

to give oxygen to a patient to relieve symptoms of hypoxia (lack of oxygen)

oxidizing agent; oxidant; a substance that causes another substance to be oxidized in a chemical reaction while itself being reduced

Synthetic resins used as strong adhesives or in the production of coatings, plastics, and insulating materials

silicon dioxide (SiO2); a common inorganic compound found in nature as sand, quartz, or agate and used to make glass and optical instruments

deoxyribonucleic acid; the primary substance in organisms that stores and transmits genetic information

nitrogen dioxide; a toxic reddish-brown gas with a pungent smell, often used to produce high concentrations of nitric acid

calcium oxide; a chemical compound also known as quicklime or [[生石灰|生石灰|sheng1 shi2 hui1]]

magnesium oxide; a white powdery compound used in cosmetics, medicine, and as an insulation material; also called [[苦土|苦土|ku3 tu3]]

A white crystalline powder used industrially as a whitening agent in products like paint, paper, plastic, and cosmetics.

A black, water-insoluble crystalline compound found naturally as pyrolusite; used in dry-cell batteries, as an oxidizing agent in organic chemistry, and as a catalyst.

calcium hydroxide Ca(OH)2; slaked lime

an inorganic compound with the chemical formula KOH; commonly known as caustic potash

substance that inhibits oxidation, used especially as a preservative in food and industrial products

inorganic chemical compound containing a hydroxyl group bonded to a metal or non-metal element

mercuric oxide (HgO)

A general term for chemical compounds formed from nitrogen and oxygen, such as nitric oxide and nitrogen dioxide. These compounds are often toxic pollutants that contribute to smog and respiratory irritation. Also written as [[氮氧化合物|氮氧化合物|dan4 yang3 hua4 he2 wu4]].

A five-carbon sugar that is a key component of [[脱氧核糖核酸|脫氧核糖核酸|tuo1 yang3 he2 tang2 he2 suan1]]; it contains one less oxygen atom than [[核糖|核糖|he2 tang2]]

to cut metal using an oxyacetylene torch; oxygen lancing

The extremely high-temperature flame produced by burning a mixture of hydrogen and oxygen; used for welding metals or quartz.

reactive oxygen species; activated oxygen species; chemicals such as peroxides and free radicals that are highly reactive

(chemistry) a chemical group consisting of one hydrogen atom and one oxygen atom; also called [[羟基|羥基|qiang3 ji1]] or [[氢氧根|氫氧根|qing1 yang3 gen1]]

the biological or chemical impact caused by the presence of oxygen, particularly in the context of radiation sensitivity

potassium permanganate; common name for [[高锰酸钾|高錳酸鉀|gao1 meng3 suan1 jia3]]

nitrous oxide (N2O) or laughing gas

nitric oxide; colorless toxic gas that acts as a signaling molecule in the body

A chemical compound consisting of one atom of oxygen and one atom of another element.

A condition caused by inhaling carbon monoxide, typically from incomplete combustion of carbon-based fuels, which prevents red blood cells from carrying oxygen; symptoms include headache, dizziness, and nausea.

lead monoxide; litharge

phosphorus oxychloride; a colorless toxic liquid used as a reagent and in industrial processes

ethoxy group in chemistry