Focus on the pronunciation of hello
English definition of “hello”
/heˈloʊ/, /hə-/ exclamation, n [C] (plural hellos)
› used when meeting or greeting someone: "Hello, Paul," she said, "I haven’t seen you for months." I know her vaguely – we’ve exchanged hellos a few times. Come and say hello to my friends (= meet them). › Hello is also said at the beginning of a telephone conversation. › Hello is also used to attract someone’s attention: She walked into the shop and called out, "Hello! Is anybody here?"