1.
joint, combined, union
The act of joining together or combining multiple parties, organizations, or events into one.
二つの会社が合同した。
The two companies merged.
合同練習を行った。
We held a joint practice session.
三つの部署が合同で忘年会を開いた。
Three departments held a joint year-end party.
2.
congruence (mathematics)
In geometry, the property of two figures being identical in shape and size.
この二つの三角形は合同です。
These two triangles are congruent.
Mathematical usage
合同な図形は形も大きさも同じだ。
Congruent figures have the same shape and size.
二つの三角形が合同であることを証明するには、三つの条件のうち一つを示せばよい。
To prove that two triangles are congruent, you only need to show one of the three conditions.
COMMON COLLOCATIONS:
- 合同会社 (joint venture company)
- 合同練習 (joint practice)
- 合同説明会 (joint information session)
- 合同結婚式 (group wedding ceremony)
RELATED WORDS:
- 合併 - merger (of companies, cities, etc.)
- 統合 - integration, unification
- 連合 - union, alliance
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