嵩|かさkasa[2]odaka (tail-high)

1. nounbulk; volume; quantity
   民生用みんせいよう・産業さんぎょう用ようを含ふくめて、ゴミのかさをコンパクト化かする機器ききの今後こんごの市場しじょう成長性せいちょうせいが法制度ほうせいどの動向どうこうと関連かんれんして注目ちゅうもくされる。↗

   Attention is focussed on the potential for growth of the personal and industrial use garbage compactor market in relation to trends in law.

• Synonym量りょうNeutralThe everyday, most common word for quantity or volume in general; contrasted with 「質」. More abstract than 「嵩」, which suggests the bulk things take up.
• SynonymボリュームNeutralLoanword for bulk or a substantial amount, as in 「ボリューム満点」 (generous, filling); it can also mean sound volume. More common than 「嵩」 in everyday speech.
• Synonym容積ようせきWrittenWritten/formal term for the amount a container holds or the space an object takes, as in 「荷物の容積」; leans toward measurement usage.
• Synonym分量ぶんりょうNeutralFocuses on weight or the amount of a portion, as in 「料理の分量」; leans toward weighing and measuring rather than sheer bulk.
• Synonym大きさおおきさNeutralMeans size, the degree to which something occupies space; the broadest of these words and not specific to volume or bulk.
• Synonym体積たいせきWrittenWritten term for the volume a three-dimensional solid occupies as a numerical value; a mathematics and physics word.

Use 「嵩」 for the bulk or volume things take up, mainly in set phrases like 「嵩が張る」, 「嵩を増す」, 「水嵩」. For quantity in general pick 「量」; in speech say 「ボリューム」; 「体積」 is the mathematics term.

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

1. 体積たいせき。容積ようせき。分量ぶんりょう。