oxygen

«oxygen» in Mova's school dictionary: A gas in the air that people, animals and plants need to… — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

part of speech

noun (oxygen — uncountable)

meaning for a pupil

1) A gas in the air that people, animals and plants need to live. tree →

2) A chemical element (symbol O) found in air, water and many things. tree →

sense in the lessons

In science, we breathe in oxygen; the lungs pass it into the blood which carries it around the body; plants give off oxygen when they make food using sunlight; fire needs oxygen to burn; water is made of hydrogen and oxygen (H2O). About one fifth of air is oxygen. Phrases: oxygen mask, oxygen tank.

examples

• We need oxygen to live. tree →
• Plants give off oxygen. tree →
• Fire needs oxygen to burn. tree →
• Divers carry oxygen tanks. tree →
• Our blood carries oxygen around the body. tree →
• Water is made of hydrogen and oxygen. tree →
• About a fifth of the air is oxygen. tree →
• Put on your own oxygen mask first. tree →

note

Uncountable: "oxygen", not "an oxygen". Oxygen has no colour or smell. Fish get oxygen from water with their gills. Covering a small fire takes away its oxygen and puts it out.

In the corpora

• Whale poo spreads nutrients that feed plankton, and plankton makes much of Earth's oxygen.
• Almost all the oxygen we breathe was made by plants and tiny algae in the sea.
• Blood is always red, bright red with oxygen and dark red without, even though veins look blue through your skin.
• Red blood cells carry oxygen using iron-rich haemoglobin, white cells fight germs, and platelets help stop bleeding.
• Every cell in your body needs oxygen from the air, and your lungs are where the air and the blood meet.

Trees and pragmatics

Every meaning and example of «oxygen» parsed by Mova, each sentence with its dependency tree and frames.