delta
A delta is a low, flat area of land where a river divides into several smaller rivers before flowing into the sea. It is often shaped like a triangle and is formed by sand and soil left by the water.
Exemples
3 sur 5We took a boat trip through the river delta to see the local birds.
We took a boat trip through the river delta to see the local birds.
The government is working to protect the delicate ecosystem of the river delta.
The government is working to protect the delicate ecosystem of the river delta.
The delta looks like a giant green fan from the airplane window.
The delta looks like a giant green fan from the airplane window.
Synonymes
Antonymes
Famille de mots
Astuce mémo
Think of the Greek letter Delta (Δ), which is shaped like a triangle. River deltas usually have this same triangular shape.
Quiz rapide
The ____ of the river is a very fertile area where farmers grow many crops.
Correct !
La bonne réponse est : delta
Exemples
We took a boat trip through the river delta to see the local birds.
everydayWe took a boat trip through the river delta to see the local birds.
The government is working to protect the delicate ecosystem of the river delta.
formalThe government is working to protect the delicate ecosystem of the river delta.
The delta looks like a giant green fan from the airplane window.
informalThe delta looks like a giant green fan from the airplane window.
Sedimentation rates in the delta have decreased significantly due to the new dam.
academicSedimentation rates in the delta have decreased significantly due to the new dam.
Our logistics company manages several shipping routes through the Pearl River Delta.
businessOur logistics company manages several shipping routes through the Pearl River Delta.
Synonymes
Antonymes
Famille de mots
Collocations courantes
Phrases Courantes
Nile Delta
Nile Delta
delta wing
delta wing
river delta system
river delta system
Souvent confondu avec
An estuary is where tide meets the stream; a delta is the landform made by river deposits.
The mouth is just the opening of a river; a delta is the specific branch-like land structure at the mouth.
Notes d'usage
Use 'delta' when specifically referring to the geographic landform at the end of a river. It is almost always used in a geographic or environmental context.
Erreurs courantes
Learners sometimes forget that 'delta' refers to the land area, not just the water itself. Also, remember to capitalize the word when it is part of a proper name like 'The Mississippi Delta'.
Astuce mémo
Think of the Greek letter Delta (Δ), which is shaped like a triangle. River deltas usually have this same triangular shape.
Origine du mot
From the Greek letter 'delta' (Δ), which ancient Greeks used to describe the triangular shape of the Nile's mouth.
Modèles grammaticaux
Contexte culturel
The Nile Delta in Egypt is historically famous as one of the most fertile areas in the ancient world, supporting the rise of Egyptian civilization.
Quiz rapide
The ____ of the river is a very fertile area where farmers grow many crops.
Correct !
La bonne réponse est : delta
Vocabulaire associé
Plus de mots sur nature
rainforest
A1A thick forest in a tropical area that receives a large amount of rain throughout the year. It is a dense habitat known for having many different types of plants and animals.
tundra
A1A large, flat area of land in very cold parts of the world, such as the Arctic. In this area, the ground is frozen and there are no trees, only small plants like moss.
wetland
A1A wetland is an area of land that is always wet or covered with shallow water. It is a very important place where many different plants and animals, like birds and frogs, live.
coral reef
A1A coral reef is a large underwater structure made from the skeletons of small sea animals called corals. They are usually found in warm, shallow parts of the ocean and provide a home for many types of fish.
vegetation
A1Vegetation refers to all the plants and trees that grow in a particular area. It is used to describe the green cover of the earth, like forests or grass.
foliage
A1Foliage refers to the leaves of a plant or tree, considered as a group. It is often used to describe the overall appearance and mass of greenery in a landscape or forest.
canopy
A1A canopy is a cover that hangs over something, like a bed or a seat, to provide shade or protection. In nature, it is the top layer of a forest where the branches and leaves of tall trees meet to form a roof.
photosynthesis
A1Photosynthesis is the natural process that green plants use to make their own food. They use sunlight, water, and carbon dioxide to create energy and release oxygen into the air.
pollination
A1Pollination is the process of moving pollen from one flower to another to help plants make seeds and fruit. This is usually done by insects like bees or by the wind.
seedling
A1A seedling is a very young plant that has just started to grow from a seed. It usually has a small green stem and its first few tiny leaves.
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