A1 noun ニュートラル

lava

/ˈlɑːvə/

Lava is the very hot, liquid rock that comes out of a volcano when it erupts. After it cools down and stops moving, it turns into hard, solid stone.

例文

3 / 5
1

The red lava moved slowly down the side of the mountain.

The red lava moved slowly down the side of the mountain.

2

Geologists are currently measuring the temperature of the fresh lava.

Geologists are currently measuring the temperature of the fresh lava.

3

Look at that glowing lava! It looks like a river of fire.

Look at that glowing lava! It looks like a river of fire.

語族

名詞
lava
形容詞
lavic
関連
volcano
💡

覚え方のコツ

Think of a 'lava lamp'—the orange liquid inside moves slowly and glows just like the real thing.

クイックテスト

The hot ____ destroyed the trees near the volcano.

正解!

正解は: lava

例文

1

The red lava moved slowly down the side of the mountain.

everyday

The red lava moved slowly down the side of the mountain.

2

Geologists are currently measuring the temperature of the fresh lava.

formal

Geologists are currently measuring the temperature of the fresh lava.

3

Look at that glowing lava! It looks like a river of fire.

informal

Look at that glowing lava! It looks like a river of fire.

4

The chemical composition of the lava determines how fast it flows.

academic

The chemical composition of the lava determines how fast it flows.

5

Tourism companies have canceled tours due to the dangerous lava flows.

business

Tourism companies have canceled tours due to the dangerous lava flows.

語族

名詞
lava
形容詞
lavic
関連
volcano

よく使う組み合わせ

lava flow lava flow
molten lava molten lava
cooling lava cooling lava
volcanic lava volcanic lava
lava field lava field

よく使うフレーズ

the floor is lava

the floor is lava (a children's game)

lava lamp

lava lamp (a decorative light)

lava bed

lava bed (an area covered by solidified lava)

よく混同される語

lava vs magma

Magma is the hot liquid rock when it is still underground; it is only called lava once it reaches the surface.

📝

使い方のコツ

Use 'lava' specifically for volcanic activity above ground. It is an uncountable noun when referring to the substance, but can be plural ('lavas') when referring to different types of geological formations.

⚠️

よくある間違い

Learners often use 'lava' for any hot liquid, but it only applies to molten rock from a volcano.

💡

覚え方のコツ

Think of a 'lava lamp'—the orange liquid inside moves slowly and glows just like the real thing.

📖

語源

From the Italian word 'lava', which means a stream or a torrent, originating from the Latin 'labi' meaning 'to slide'.

文法パターン

uncountable noun often used with the verb 'to flow' takes singular verb forms
🌍

文化的な背景

In places like Hawaii, lava is often treated with great respect and is linked to the goddess Pele in local mythology.

クイックテスト

The hot ____ destroyed the trees near the volcano.

正解!

正解は: lava

natureの関連語

rainforest

A1

A 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

A1

A 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

A1

A 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

A1

A 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

A1

Vegetation 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

A1

Foliage 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

A1

A 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

A1

Photosynthesis 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

A1

Pollination 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

A1

A 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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