粒子
A very small piece or bit of matter, such as a grain of sand, a speck of dust, or a microscopic unit like an atom or molecule. It is commonly used in scientific contexts to describe the fundamental components of a substance or in photography to describe the grain of an image.
Exemples
3 sur 5砂の粒子がとても細かいです。
The particles of sand are very fine.
このフィルターは微細な粒子を捕集します。
This filter captures fine particles.
この写真、粒子が粗くてかっこいいね。
This photo has a coarse grain (particles), it looks cool.
Famille de mots
Astuce mémo
Look at the kanji: 粒 (grain) + 子 (child/small thing). A 'child of a grain' is a tiny particle.
Quiz rapide
空気中には目に見えないほど小さな___が飛んでいる。
Correct !
La bonne réponse est : 粒子
Exemples
砂の粒子がとても細かいです。
everydayThe particles of sand are very fine.
このフィルターは微細な粒子を捕集します。
formalThis filter captures fine particles.
この写真、粒子が粗くてかっこいいね。
informalThis photo has a coarse grain (particles), it looks cool.
光は波と粒子の両方の性質を持っています。
academicLight has the properties of both a wave and a particle.
弊社のトナーは粒子径が均一で、高品質な印刷が可能です。
businessOur company's toner has a uniform particle size, enabling high-quality printing.
Famille de mots
Collocations courantes
Phrases Courantes
素粒子
elementary particle
浮遊粒子状物質
suspended particulate matter
粒子の粗い画像
grainy image
Souvent confondu avec
Joshi refers to grammatical particles (like 'wa' or 'ga'), while ryuushi refers to physical particles of matter.
Notes d'usage
While 'ryuushi' is used for scientific and microscopic particles, 'tsubu' (粒) is preferred for visible grains like rice or drops of rain. In photography and film, 'ryuushi' describes the graininess of the image.
Erreurs courantes
Don't use this word to refer to grammatical particles; use 'joshi' (助詞) instead. Also, avoid using it for food grains unless discussing their scientific composition.
Astuce mémo
Look at the kanji: 粒 (grain) + 子 (child/small thing). A 'child of a grain' is a tiny particle.
Origine du mot
Derived from Sinitic roots: 'ryuu' (grain) and 'shi' (a diminutive suffix or child), combined to mean a minute piece of matter.
Modèles grammaticaux
Contexte culturel
Often mentioned in Japanese weather reports regarding 'PM2.5' (micro-particulate matter) crossing the sea from the continent.
Quiz rapide
空気中には目に見えないほど小さな___が飛んでいる。
Correct !
La bonne réponse est : 粒子
Vocabulaire associé
Mots lis
電子
A1Refers to an electron in a scientific context or, more commonly, signifies that something is digital or electronic. It is frequently used as a prefix to describe modern technology replacements for traditional items like books or money.
中性子
A1A neutron is a subatomic particle found in the nucleus of an atom that carries no electric charge. It has a mass slightly larger than that of a proton and is essential for the stability of atomic nuclei.
元素
A1A chemical element, which is a fundamental substance that cannot be broken down into simpler substances by chemical means. It refers to the basic building blocks of matter listed on the periodic table.
化合物
A1A substance formed when two or more chemical elements are chemically bonded together. It is used primarily in scientific contexts to describe materials with a fixed ratio of components.
混合物
A1A substance made by combining two or more different materials without a chemical reaction occurring. It can be used in scientific contexts to describe chemical blends or in general contexts to describe a physical combination of items.
溶液
A1A liquid mixture in which a substance (solute) is uniformly dissolved in another substance (solvent). It is most commonly used in chemistry to describe liquids like salt water or chemical mixtures used in experiments.
溶媒
A1A substance, typically a liquid, in which another substance (the solute) is dissolved to form a solution. In a chemical context, it acts as the medium that facilitates the breaking down of particles.
溶質
A1A solute is a substance that is dissolved in another substance (called a solvent) to create a solution. In a mixture like salt water, the salt is the solute because it is the part that gets dissolved.
窒素
A1Nitrogen is a colorless, odorless chemical element that makes up about 78 percent of the Earth's atmosphere. It is essential for all living things and is widely used in fertilizers and industrial cooling as liquid nitrogen.
水素
A1Hydrogen is the simplest and most abundant chemical element in the universe, symbolized by H. In everyday Japanese contexts, it is frequently discussed as a clean energy source used in eco-friendly vehicles and power generation.
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