原子
An atom is the basic building block of all matter and the smallest unit of a chemical element. It consists of a dense central nucleus surrounded by a cloud of negatively charged electrons.
Exemples
3 sur 5水は水素と酸素の原子でできています。
Water is made of hydrogen and oxygen atoms.
本日の講義では、原子の内部構造について解説します。
In today's lecture, I will explain the internal structure of the atom.
原子って、顕微鏡でも見えないくらい小さいんだよ。
Atoms are so small you can't even see them with a microscope.
Famille de mots
Astuce mémo
Think of the kanji: 原 (origin) + 子 (child/small particle). It is the 'Original Small Particle' that builds the universe.
Quiz rapide
すべての物質は最小の単位である___から構成されています。
Correct !
La bonne réponse est : 原子
Exemples
水は水素と酸素の原子でできています。
everydayWater is made of hydrogen and oxygen atoms.
本日の講義では、原子の内部構造について解説します。
formalIn today's lecture, I will explain the internal structure of the atom.
原子って、顕微鏡でも見えないくらい小さいんだよ。
informalAtoms are so small you can't even see them with a microscope.
原子は原子核とそれを取り囲む電子によって構成される。
academicAn atom is composed of an atomic nucleus and the electrons surrounding it.
わが社は原子力の平和利用を推進しています。
businessOur company promotes the peaceful use of nuclear power.
Famille de mots
Collocations courantes
Phrases Courantes
原子力発電所
nuclear power plant
原子記号
atomic symbol
原子物理学
atomic physics
Souvent confondu avec
Genshi (atom) refers to the physical particle, while Genso (element) refers to the abstract type or category of that atom.
Notes d'usage
While primarily used in scientific contexts, it frequently appears in news reports regarding energy (nuclear power) or advanced technology. In daily life, it is rarely used unless discussing science.
Erreurs courantes
Learners often confuse 'atom' (genshi) with 'molecule' (bunshi). Remember that 'genshi' is the single unit, and 'bunshi' is a group of atoms.
Astuce mémo
Think of the kanji: 原 (origin) + 子 (child/small particle). It is the 'Original Small Particle' that builds the universe.
Origine du mot
Created as a translation of the Greek 'atomos' (indivisible) during the Meiji era, combining 'origin' and 'particle'.
Modèles grammaticaux
Contexte culturel
In Japan, the word is deeply linked to the historical context of atomic energy and the national discussion on nuclear power generation.
Quiz rapide
すべての物質は最小の単位である___から構成されています。
Correct !
La bonne réponse est : 原子
Vocabulaire associé
Mots lis
往復
A1A round trip or travel back and forth between two locations. It refers to the act of going to a destination and returning to the starting point.
片道
A1A noun referring to a one-way trip or journey from one place to another without returning. It is most commonly used when purchasing transportation tickets or describing travel duration.
経路
A1A route or path taken to get from one place to another. It can also describe the logical steps or channels through which information or things move.
距離
A1Kyori refers to the physical amount of space between two points or objects. It can also be used figuratively to describe the psychological or emotional gap between people in a relationship.
方向
A1Refers to the physical way something is pointing or moving, as well as the abstract path or course of action taken. It is commonly used to describe spatial orientation or the general trend of a situation or project.
位置
A1Refers to the specific physical or abstract place where someone or something is situated. It is frequently used in contexts involving maps, coordinates, or the relative arrangement of objects.
到着
A1The act of reaching a specific destination after traveling. It can refer to people, vehicles, or physical items like mail and luggage arriving at a place.
経由
A1Refers to the act of traveling 'via' or 'by way of' a specific location, or passing information/documents through an intermediary. It is used to describe a route that includes a stopover or a channel through which something is transmitted.
地点
A1A specific point or location on a map or in space. It is often used to denote a precise spot for technical, geographic, or formal purposes rather than a general area.
目的地
A1目的地 refers to a specific place where someone is going or where a journey ends. It combines the words for 'purpose' and 'ground/place' to describe the physical target of movement or travel.
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