Freeze
noun, する verb
When things are frozen they get tied up in ice, causing a freeze.
とうけつ
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
彼女は道路の凍結についてよく文句を言っています。
She often complains about frozen roads.