体積|たいせきtaiseki[1]atamadaka (head-high)

1. nouncapacity; volume
   体積たいせきが大おおきいからといって常つねに重量じゅうりょうも重おもいとは限かぎらない。↗

   Great bulk does not always mean great weight.

• Synonym量りょうNeutralA broad word for quantity or amount, often abstract; 「体積」 is specifically the space a solid occupies.
• SynonymボリュームNeutralA loanword for the size of an amount or capacity, also used for sound volume; 「体積」 is the space a solid occupies.
• Synonym嵩かさNeutralA colloquial word for bulk or volume, as in 「かさばる」; 「体積」 is the more formal term.
• Synonym容積ようせきWrittenA written, formal term for how much a container can hold; 「体積」 is the space an object itself occupies.
• Synonym大きさおおきさNeutralMeans size or dimensions and is the most colloquial of these; 「体積」 is more formal, for the space a solid occupies.
• Related分量ぶんりょうNeutralCovers amounts by weight or capacity, and also amounts of work or text; 「体積」 is the space a solid occupies.

For the space a solid occupies, in math or physics, use 「体積」. Use 「容積」 for the capacity of a container, 「嵩」 for bulk in casual speech, 「分量」 for amounts of weight, work or text, and 「大きさ」 for size.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. ある立体りったい図形ずけいが三さん次元じげん空間くうかんに占しめる量りょう。