積|せきseki[1]atamadaka (head-high)

1. noun, mathproduct
2. nounvolume; area

• Synonym乗積じょうせきWrittenA written/formal math term for the number obtained by multiplication; synonymous with 「積」 but rarely used.
• Synonym相乗積そうじょうせきWrittenA written/formal math term for the result of multiplying two or more numbers; rare — 「積」 is the usual word.

In math, the result of multiplication is 「積」, standing alongside 「和」, 「差」 and 「商」. 「乗積」 and 「相乗積」 are rare, old-fashioned alternatives; use 「積」 in ordinary contexts.

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

1. （セキ）二ふたつ以上いじょうの数かずを掛け合かけあわせて得えられる値あたい。
2. （セキ）大おおきさ。広ひろさ。余地よち。