渐冻症 Traditional form: 漸凍症 Pinyin (reading): jiàndòngzhèng Definitions: amyotrophic lateral sclerosis; ALS Characters: 渐 - gradually 冻 - cold; to freeze, to congeal; jelly 症 - ailment, disease, illness Traditional characters: 漸 - gradually 凍 - cold; to freeze, to congeal; jelly 症 - ailment, disease, illness