context: Among the words listed in the standard Korean dictionary compiled by the National Institute of the Korean Language, the word nicotinamide adenine dinucleotide (nicotinamide adenine dinucleotide) is the longest word with 19 characters. (Nicotinamide adenine dinucleotide, which is the same word, is 16 characters.) In addition, the celadon bowls produced by the Goryeo Dynasty, the celadon yangingakdangcho, inlay moran-gu, and the inscriptions (靑 磁 陽 印 刻 蓮 唐 草 · 象 嵌 牧 丹 紋銀 釦 大 楪) 17 characters [1], chlorotrifluoroethylene polymer is 15 characters and programmable read only memory. 13 words. Most of the long words are academic terminology. Among the names of the flora and fauna, there are twelve characters of the spotted spotted Sansevieria. Among the things not listed in the standard Korean dictionary are small red-bellied blue butterfly (13 characters) and fat tailed dwarf lemur (12 characters). [3]
question: What is the longest word in Hangeul?
answers.text: nicotinamide adenine dinucleotide