粵典 (words.hk)香港詞
01
物質嘅#分子 結構產生變化嘅過程（量詞：個） (chemical reaction)
名詞02
比喻兩個人撻着火頭嗰時所生嘅情愫 (a metaphor for the spark of love between individuals; "chemistry")
用例
你哋噚晚兩個人去咗飲嘢，有冇啲咩化學作用？
nei5 dei6 cam4 maan5 loeng5 go3 jan4 heoi3 zo2 jam2 je5, jau5 mou5 di1 me1 faa3 hok6 zok3 jung6?
You two went for a drink last night; was there any chemistry?