The Meaning of youseki [容積] In Japanese

容積
ようせき
Romaji: youseki N4

What does 容積 mean?

Translation and Meaning

volume, capacity

Definition

容積 denotes the three-dimensional extent or space that can be contained within boundaries; in technical writing it is used to quantify how much space a body or container can hold.

Type

Noun (名詞)

Stroke Order

Composition

  • 容 indicates containment, hold; 積 indicates accumulation or volume; together they denote the space that can be contained or held

Usage

Used in formal Japanese to denote the space or amount inside a solid or container; common in mathematics, physics, engineering, and product specifications; in everyday language 容積 is less common than 容量 or 体積, which cover container capacity and geometric volume respectively.
💡 Tips
Visualize a jar with items piling up inside; 容 means to hold and 積 means to pile up, reminding you that 容積 is the space inside a boundary.

Variations

  • 体積 taiseiki — volume in a geometric or physical sense
  • 容量 youryou — capacity, the amount a container can hold

Example Phrases

  • この容積を測るために計量カップを使います。
    Kono yōseki o hakaru tame ni keiryō kappu o tsukaimasu.
    I use a measuring cup to measure this volume.
    Lista:
    • この (kono) – this
    • 容積 (yōseki) – volume
    • (wo) – object marker
    • 測る (hakaru) – to measure
    • ために (tame ni) – in order to
    • 計量 (keiryō) – measuring
    • カップ (kappu) – cup
    • (wo) – object marker
    • 使います (tsukaimasu) – to use
    The word 「容積」 means volume; in this sentence 容積 is the object of 測る, and the phrase この容積を測るために expresses purpose: ‘in order to measure this volume.’
容積