| 椭圆形 | tuǒ yuán xíng | oval |  |
| 打圆场 | dǎ yuán chǎng | to help to resolve a dispute / to smooth things over |  |
| 半圆形 | bàn yuán xíng | semicircular | |
| 半圆仪 | bàn yuán yí | protractor | |
| 包圆儿 | bāo yuán r | to buy the whole lot / to take everything remaining | |
| 不圆通 | bù yuán tōng | inflexible / unaccommodating | |
| 大圆圈 | dà yuán quān | great circle (in spherical geometry) | |
| 电圆锯 | diàn yuán jù | circular saw | |
| 滴溜圆 | dī liū yuán | completely round | |
| 关金圆 | guān jīn yuán | Chinese customs gold unit, currency used in China between 1930 and 1948 | |
| 金圆券 | jīn yuán quàn | currency issued by Nationalist Government in 1948 | |
| 卵圆窗 | luǎn yuán chuāng | oval window between middle and inner ear | |
| 卵圆形 | luǎn yuán xíng | oval / ellipsoidal | |
| 椭圆机 | tuǒ yuán jī | elliptical machine (exercise) | |
| 外接圆 | wài jiē yuán | circumscribed circle (of a polygon) | |
| 无晶圆 | wú jīng yuán | fabless (semiconductor company) | |
| 走圆场 | zǒu yuán chǎng | to walk around the stage (to indicate scene changes) | |
| 花好月圆 | huā hǎo yuè yuán | lit. lovely flowers, round moon (idiom) / fig. everything is wonderful / perfect happiness / conjugal bliss | |
| 破镜重圆 | pò jìng chóng yuán | a shattered mirror put back together (idiom) / (of marriage) to pick up the pieces and start anew / for a separated couple to reconcile and reunite | |
| 珠圆玉润 | zhū yuán yù rùn | lit. as round as pearls and as smooth as jade (idiom) / fig. elegant and polished (of singing or writing) | |
| 膀大腰圆 | bǎng dà yāo yuán | tall and strong / burly / beefy | |
| 功德圆满 | gōng dé yuán mǎn | virtuous achievements come to their successful conclusion (idiom) | |
| 外圆内方 | wài yuán nèi fāng | lit. outside-flexible, inside-firm (idiom) / fig. velvet glove | |
| 自圆其说 | zì yuán qí shuō | to make a story or theory consistent / to give a plausible explanation / to plug the holes in one's story | |
| 误差椭圆 | | error ellipse | |
| 半圆检验 | | semi-circle test / semi-circle rule / semi-circular rule | |
| 半圆规则 | | semi-circle test / semi-circle rule / semi-circular rule | |
| 团圆行动 | | Operation ReUNite | |
| 方枘圆凿 | fāng ruì yuán záo | to put a square peg in a round hole / incompatible (idiom) | |
| 管圆线虫 | guǎn yuán xiàn chóng | "eel worm", a parasitic worm carrying meningitis | |
| 轨道圆化 | guǐ dào yuán huà | orbit circularization | |
| 滚瓜溜圆 | gǔn guā liū yuán | (of animals) round and fat | |
| 划圆防守 | huà yuán fáng shǒu | to counter (a stroke in fencing) | |
| 同轴圆弧 | tóng zhóu yuán hú | coaxial circular arc / concentric arc (in spherical geometry) | |
| 椭圆函数 | tuǒ yuán hán shù | (math.) elliptic function | |
| 椭圆积分 | tuǒ yuán jī fēn | (math.) elliptic integral | |
| 椭圆曲线 | tuǒ yuán qū xiàn | (math.) elliptic curve | |
| 字正腔圆 | zì zhèng qiāng yuán | to enunciate beautifully (in speaking or singing) (idiom) | |
| 南圆桌会议 | | North-South Roundtable | |
| 白额圆尾鹱 | bái é yuán wěi hù | (bird species of China) bonin petrel (Pterodroma hypoleuca) | |
| 工业用圆木 | gōng yè yòng yuán mù | industrial roundwood | |
| 钩嘴圆尾鹱 | gōu zuǐ yuán wěi hù | (bird species of China) Tahiti petrel (Pterodroma rostrata) | |
| 椭圆形星系 | tuǒ yuán xíng xīng xì | elliptical galaxy | |
| 电子圆桌会议 | | electronic round table | |
| 巴黎圆桌会议 | | Paris Round Table | |
| 发散出口圆锥 | | divergent exit cone / divergent nozzle section / divergent | |
| 虚拟圆桌会议 | | virtual roundtable | |
| 椭圆形办公室 | tuǒ yuán xíng bàn gōng shì | Oval office (in the White House) | |
| 捐助者圆桌会议 | | round-table conference of donors | |
| 维也纳圆桌会议 | | Round Table on Technology Transfer, Cooperation and Capacity-Building / Vienna Round Table | |
| 卢旺达圆桌会议 | | Rwanda round-table conference | |
| 互动式圆桌会议 | | interactive round-table sessions | |
| 亚洲编辑圆桌会议 | | Asian Editor's Roundtable | |
| 农业能源圆桌会议 | | Agri-Energy Roundtable | |
| 非洲工商圆桌会议 | | African Business Round Table | |
| 也门问题圆桌会议 | | Round-table Conference for Yemen | |
| 人类发展圆桌会议 | | Round Table on Human Development | |
| 布拉瓦约圆桌会议 | | Round Table at Bulawayo | |
| 援助乍得圆桌会议 | | round table on assistance to Chad | |
| 布鲁塞尔圆桌会议 | | Round-Table Conference of Donors for the Rehabilitation and Reconstruction of Angola / Brussels Round-Table Conference | |
| 法语编辑圆桌会议 | | Francophone Editors' Roundtable | |
| 人权教育圆桌会议 | | Round Table on Human Rights Education | |
| 内六角圆柱头螺钉 | nèi liù jiǎo yuán zhù tóu luó dīng | hexagon socket head cap screw | |
| 家庭法国际圆桌会议 | | international round-table meeting on family law | |
| 环境与贸易圆桌会议 | | Round Table on Environment and Trade | |
| 利益攸关方圆桌会议 | | Stakeholder Round Table | |
| 乍得捐助者圆桌会议 | | Round-table Conference of Donors to Chad | |
| 瓜无滚圆，人无十全 | guā wú gǔn yuán , rén wú shí quán | no gourd is perfectly round, just as no man is perfect (proverb) | |
| 没有规矩，不成方圆 | méi yǒu guī ju , bù chéng fāng yuán | without rules, nothing can be done (idiom) / one must follow some rules | |
| 商业调查框架圆桌会议 | | Round Table on Business Survey Frames / International Round Table on Business Survey Frames | |
| 交流促进发展圆桌会议 | | Round Table Conference for Development Communication | |
| 共同体水部门圆桌会议 | | Community Water Sector Round-table Conference | |
| 欧洲清洁生产圆桌会议 | | European Roundtable on Cleaner Production | |
| 莱索托捐助者圆桌会议 | | Lesotho Donor Round Table | |
| 欧洲住房建筑圆桌会议 | | European Round Table Meeting on Housing Construction | |
| 不以规矩，不能成方圆 | bù yǐ guī ju , bù néng chéng fāng yuán | without rules, nothing can be done (idiom, from Mencius) / one must follow some rules | |
| 没有规矩，何以成方圆 | méi yǒu guī jǔ , hé yǐ chéng fāng yuán | without rules, how can anything be done (idiom) / one must follow some rules | |
| 没有规矩，何以成方圆 | méi yǒu guī ju , hé yǐ chéng fāng yuán | without rules, how can anything be done (idiom) / one must follow some rules | |
| 亚洲人口老龄化圆桌会议 | | Roundtable on the Ageing of Asian Populations | |
| 大众媒体领导人圆桌会议 | | Mass Media Leaders Roundtables | |
| 履行对儿童承诺圆桌会议 | | Round Table on Keeping the Promise to Children | |
| 债务与发展问题圆桌会议 | | Round Table on Debt and Development | |
| 兰伯特正形圆锥曲线投影 | | Lambert conformal conic projection | |
| 商业调查框架国际圆桌会议 | | Round Table on Business Survey Frames / International Round Table on Business Survey Frames | |
| 国际开发协会南北圆桌会议 | | North-South Round-table of the Society for International Development | |
| 国际促进辅导工作圆桌会议 | | International Round Table for the Advancement of Counselling | |
| 土着人民知识产权圆桌会议 | | Roundtable on Indigenous Intellectual Property | |
| 亚洲记者大众媒体圆桌会议 | | Mass Media Round-Table for Asian Journalists | |
| 国际圆筒容器制造商联合会 | | International Confederation of Drum Manufacturers | |
| 人口问题与发展国际圆桌会议 | | International Round Table on Population Issues and Development | |
| 亚太大众传媒领导人圆桌会议 | | Asia and Pacific Mass Media Leaders' Round-table | |
| 国际移徙区域间叁方圆桌会议 | | Interregional Tripartite Round Table on International Migration | |
| 信息技术和发展区域圆桌会议 | | Regional Round Table on Information Technology and Development | |
| 国际采矿与环境问题圆桌会议 | | International Round-table on Mining and the Environment | |
| 南非独立和多元媒体圆桌会议 | | Round Table on Independent and Pluralistic Media in South Africa | |
| 清点海上安全问题圆桌讨论会 | | Round Table Discussion on Stocktaking of Maritime Security Issues | |
| 几内亚比绍问题捐助方圆桌会议 | | Donor Round Table on Guinea-Bisseau | |
| 手工和小规模采矿国际圆桌会议 | | International Round-table on Artisanal and Small-scale Mining | |
| 妇女发挥保护环境作用圆桌会议 | | round-table meeting on the role of women in the protection of the environment | |
| 无害环境煤炭技术国际圆桌会议 | | International Round Table on Environmentally Sound Coal Technologies | |
| 国际着名专家常设咨询圆桌会议 | | International Standing Advisory Round-table of Eminent Experts | |
| 世界新闻和传播新秩序圆桌会议 | | Round Table on a New World Information and Communication Order | |
| 非洲可持续消费和生产圆桌会议 | | Africa Roundtable on Sustainable Consumption and Production | |
| 奥斯陆可持续生产和消费圆桌会议 | | Oslo Ministerial Roundtable Conference on Sustainable Production and Consumption | |
| 非洲经委会国际收支问题圆桌会议 | | ECA Round-Table Conference on Balance of Payments Problems | |
| 安哥拉恢复和重建捐助者圆桌会议 | | Round-Table Conference of Donors for the Rehabilitation and Reconstruction of Angola / Brussels Round-Table Conference | |
| 当代国际人道主义法问题圆桌会议 | | Round Table on Contemporary Problems of International Humanitarian Law | |
| 减灾政策和灾害管理区域圆桌会议 | | Regional Round Table on Disaster Mitigation Policies and Management | |
| 第二届国际发展成果管理圆桌会议 | | Second International Roundtable on Managing for Development Results | |
| 交流促进发展问题机构间圆桌会议 | | Inter-Agency Round Table on Communication for Development | |
| 城市贫民区的水和卫生问题圆桌会议 | | Round Table on Water and Health in Under-privileged Urban Areas | |
| 环发会议后人口与发展战略圆桌会议 | | Round Table on Population and Development Strategies in the Post-UNCED Period | |
| 技术转让、合作与能力建设圆桌会议 | | Round Table on Technology Transfer, Cooperation and Capacity-Building / Vienna Round Table | |
| 亚洲及太平洋工人住房叁方圆桌会议 | | Tripartite Round Table on Workers' Housing in Asia and the Pacific | |
| 世界大众媒体领袖圆桌会议信托基金 | | Trust Fund for World Mass Media Leaders' Roundtables | |
| 转型国家官方统计基本原则圆桌会议 | | Roundtable on the Fundamental Principles of Official Statistics in the Countries in Transition | |
| 成员国间工业合作问题部长级圆桌协商 | | Ministerial-Level Round-Table Consultation on Industrial Cooperation among Member States | |
| 非洲气候状况和干旱问题科学圆桌会议 | | Scientific Round-Table on the Climatic Situation and Drought in Africa | |
| 援助乍得北部地区恢复捐助者圆桌会议 | | donor round table on assistance in the rehabilitation and of northern Chad | |
| 加强最不发达国家圆桌会议进程信托基金 | | Trust Fund for the Strengthening of the Round-table Process in LDCs | |
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