安全壳 Traditional form: 安全殼 Pinyin (reading): ānquánké Definitions: containment vessel Characters: 安 - peaceful, tranquil, quiet 全 - whole, entire, complete; to preserve 壳 - casing, husk, shell Traditional characters: 安 - peaceful, tranquil, quiet 全 - whole, entire, complete; to preserve 殼 - casing, husk, shell