面積
面積 refers to the measurement of the size of a surface or the amount of space inside a two-dimensional shape. It is commonly used in mathematics, real estate, and geography to describe how much space a flat object or land occupies.
Exemples
3 sur 5この部屋の面積はどのくらいですか。
How large is the area of this room?
本公園の総面積は約十ヘクタールであります。
The total area of this park is approximately ten hectares.
机の上の面積が足りないから、片付けよう。
There's not enough space on top of the desk, so let's clean it up.
Famille de mots
Astuce mémo
Think of 'Men' (面) as a face or surface, and 'Seki' (積) as accumulating or multiplying. You multiply sides to find the surface area.
Quiz rapide
この図形の( )を計算してください。
Correct !
La bonne réponse est : 面積
Exemples
この部屋の面積はどのくらいですか。
everydayHow large is the area of this room?
本公園の総面積は約十ヘクタールであります。
formalThe total area of this park is approximately ten hectares.
机の上の面積が足りないから、片付けよう。
informalThere's not enough space on top of the desk, so let's clean it up.
三角形の面積を求める公式を書きなさい。
academicWrite the formula to calculate the area of a triangle.
オフィスの床面積を縮小して、コストを削減します。
businessWe will reduce the office floor area to cut costs.
Famille de mots
Collocations courantes
Phrases Courantes
建築面積
building area
敷地面積
site area / plot area
専有面積
exclusive area (of an apartment)
Souvent confondu avec
Menseki is 2D area (square units), while Taiseki is 3D volume (cubic units).
Hirosa is a more general, everyday word for 'wideness' or 'size', while Menseki is a technical or mathematical term.
Notes d'usage
面積 is primarily used when referring to technical measurements or mathematical calculations. For general conversation about a house being 'big' or 'spacious', Japanese speakers often use the noun '広さ' or the adjective '広い'.
Erreurs courantes
Learners sometimes use 面積 to describe the 3D capacity of a box, where 体積 (volume) should be used instead.
Astuce mémo
Think of 'Men' (面) as a face or surface, and 'Seki' (積) as accumulating or multiplying. You multiply sides to find the surface area.
Origine du mot
From Middle Chinese: 面 (surface/face) + 積 (to pile up/product in math).
Modèles grammaticaux
Contexte culturel
In Japan, while square meters (m²) are standard, real estate area is often colloquially measured in 'Jo' (畳 - size of a tatami mat) or 'Tsubo' (坪 - approx. 3.3 m²).
Quiz rapide
この図形の( )を計算してください。
Correct !
La bonne réponse est : 面積
Mots lis
抗争
A1A serious struggle or conflict between opposing groups, factions, or organizations. It often implies a prolonged period of resistance, power struggles, or violent feuding.
平和
A1A state of harmony and the absence of conflict, war, or disturbance. It is used to describe both global stability between nations and a quiet, tranquil personal lifestyle or environment.
和平
A1和平 (wahei) refers to a state of peace or the restoration of peace, specifically in a diplomatic or formal context between conflicting parties. Unlike the more general word for peace (平和), it often implies the process of ending a war or dispute through negotiation.
休戦
A1A temporary cessation of fighting or conflict by mutual agreement; a truce or armistice. It indicates a period where parties agree to stop hostile actions, whether in a literal war or a metaphorical argument.
停戦
A1A temporary cessation of fighting or a ceasefire agreement between opposing forces in a conflict. It is used when parties agree to stop hostilities to allow for negotiations, humanitarian aid, or the permanent end of a war.
組織
A1Soshiki refers to a structured group of people working together for a specific purpose, such as a company, institution, or system. It can also refer to biological tissue in a medical or scientific context, describing how cells are arranged.
協会
A1An organized group of people who have the same interest, job, or purpose. It is commonly used for professional bodies, sports leagues, or non-profit organizations that represent a collective interest.
学会
A1An academic society or a professional organization where scholars and researchers share their findings. It also commonly refers to the specific academic conferences or meetings organized by these groups.
法人
A1A legal entity or organization, such as a company or non-profit, that is recognized by law as having rights and duties similar to those of a person. It distinguishes a group or institution from an individual human being in legal and business matters.
組合
A1A formal organization or association formed by individuals or groups with a common interest, most commonly referring to a labor union or a cooperative. It describes a collective body where members work together to achieve shared social, economic, or professional goals.
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