- 一体化 yītǐhuà to integrateto unify separate but related departments or operations into a coordinated whole
- 三位一体 sānwèiyītǐ Holy TrinityIn Christianity, the doctrine that God exists as three persons: the Father, the Son, and the Holy Spirit
- 融为一体 róngwéiyītǐ to fuse togetherto merge into a single whole; to blend into one entity, often used to describe things becoming inseparable or harmonious
- 浑然一体 húnrányītǐ an integral wholeto blend together perfectly into a single whole; describes something that is integrated and inseparable
- 统一体 tǒngyītǐ entitya single entity or whole formed by the combination of related people or things
- 自成一体 zìchéngyītǐ to have a style of one's ownTo possess a unique and original style or system in fields such as calligraphy, painting, poetry, or scholarship
- 一体石经 yītǐshíjīng Xiping Stone Classicsthe first complete collection of Confucian classics carved into stone, originally erected during the Xiping era of the Han Dynasty in Luoyang
- 经济一体化 jīngjìyītǐhuà economic integrationeconomic integration; the process by which different economies become more closely linked or unified
- 一体两面 yītǐliǎngmiàn two sides of the same coin(metaphor) two different aspects of a single whole; the same thing viewed from two different perspectives
- 融成一体 róngchéngyītǐ to fuse togetherto merge or blend into a single whole
- 单一体 dānyītǐ unitary systema system or entity that functions as a single, unified whole
- 遐迩一体 xiá'ěryītǐ the whole world as one(idiom) both those far and near are treated the same or united together; the world is unified as a single entity
- 手自一体 shǒuzìyītǐ manumaticrefers to an automobile transmission that allows the driver to switch between automatic and manual gear shifting