| 防御性 | fáng yù xìng | defensive (weapons) |  |
| 防御战 | | defensive war | |
| 防御率 | fáng yù lu:4 | earned run average (baseball) | |
| 防御术 | fáng yù shù | defensive art | |
| 防御素 | fáng yù sù | defensin | |
| 核防御 | hé fáng yù | nuclear defense | |
| 外御其侮 | wài yù qí wǔ | internal disunity dissolves at the threat of an invasion from outside (idiom) | |
| 前沿防御 | | forward defense | |
| 防御工事 | fáng yù gōng shì | fortification / defensive structure | |
| 积极防御 | jī jí fáng yù | active defence | |
| 领导统御 | lǐng dǎo tǒng yù | (Tw) leadership | |
| 领土防御 | lǐng tǔ fáng yù | territorial defence | |
| 太平御览 | Tài píng Yù lǎn | Imperial Readings of the Taiping Era, general Song dynasty encyclopedia compiled during 977-983 under Li Fang 李昉[Li3 Fang3], 1000 scrolls | |
| 提学御史 | tí xué yù shǐ | superintendent of education (formal title) | |
| 战略防御 | zhàn lu:è fáng yù | strategic defence | |
| 主动防御 | zhǔ dòng fáng yù | active defence | |
| T形防御墙 | Txíng fáng yù qiáng | T-wall | |
| U形防御墙 | Uxíng fáng yù qiáng | U-wall | |
| 新防御阵地 | | New Defensive Positions | |
| 点防御系统 | diǎn fáng yù xì tǒng | point defence system | |
| 防御性布雷 | fáng yù xìng bù léi | defensive mining / protective mining | |
| 五条御誓文 | wǔ tiáo yù shì wén | Charter | |
| 弹道导弹防御 | | ballistic missile defence | |
| 战区导弹防御 | | Theater Missile Defense | |
| 防御盾牌行动 | | Operation Defensive Shield | |
| 国家导弹防御 | | National Missile Defense | |
| 社区防御计划 | | Community Defence Initiative | |
| 临时防御车阵 | | laager | |
| 战地防御设备 | | field defence equipment | |
| 地方防御力量 | | Local Defence Forces | |
| 洛法防御力量 | | Lofa Defense Force | |
| 主要防御部队 | | main defence forces | |
| 导弹防御系统 | dǎo dàn fáng yù xì tǒng | missile defence system | |
| 防御工事器材 | fáng yù gōng shì qì cái | field defence stores / defence stores | |
| 防御机能失偿 | fáng yù jī néng shī cháng | decompensation | |
| 战略防御倡议 | zhàn lu:è fáng yù chàng yì | strategic defense initiative (SDI) | |
| 防御和空间会谈 | | defence and space talks | |
| 防御和空间条约 | | defence and space treaty | |
| 战略防御计划组织 | | Strategic Defence Initiative Organization | |
| 弹道导弹防御组织 | | Ballistic Missile Defense Organization | |
| 安全和防御委员会 | | Security and Defence Commission | |
| 欧洲防御工业集团 | | European Defence Industrial Group | |
| 防御系统有限公司 | | Defence Systems Limited | |
| 终端高空区域防御系统 | | Terminal High Altitude Area Defense | |
| 兄弟阋于墙，外御其侮 | xiōng dì xì yú qiáng , wài yù qí wǔ | internal disunity dissolves at the threat of an invasion from outside (idiom) | |
| 宙斯盾弹道导弹防御系统 | | Aegis Ballistic Missile Defense System / Aegis BMDS | |
| 防御性安全概念与政策特设专家组 | | Ad hoc expert group on Defensive Security Concepts and Policies | |
| 非洲联盟互不侵犯和共同防御条约 | | African Union Non-Aggression and Common Defence Pact | |
| 安哥拉－赞比亚共同防御和安全委员会 | | Angola-Zambia Joint Defence and Security Commission | |
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