血凝素 Save Sign in to save words xuèníngsù ㄒㄩㄝˋ ㄋㄧㄥˊ ㄙㄨˋ hemaglutinin (the H of virus such as bird flu H5N1) Character by character 血(xuè)blood 凝(níng)congeal 素(sù)raw silk A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0