which is how

which Determinative

— You use which to ask for the selection of one or more members of some set. There are a lot of new books this year. Which ones do you like? Excuse me, which way is the toilet? Which of the two wines is cheaper? Which of the following cheeses are usually made from sheep's milk? A. pecorino B. vaccino C. provolone D. chevre. — You use which to add a clause to explain what thing you're talking about. For several seconds he sat in silence, during which time the tea and sandwiches arrived. I'm thinking of getting a new car, in which case I'd get a red one.

which Pronoun

— You use which to add a clause to give more information about the thing you're talking about. We've met some problems which are very difficult to handle. He walked by a door with a sign which reads: PRIVATE OFFICE. He had to leave, which was very difficult. We have to protect the environment in which we live. No art can be properly understood apart from the culture of which it is a part.

is Verb

— A form of the verb be when talking about someone or something else. He is late for class. Is it hot in here?

how Adverb

— The word "how" is a question word, to ask about the way something happens or the way people do things. How will we ever solve this problem? — The word "how" is used to tell about the way something happens or the way people do things. I know how we can solve this problem? This is how to make this machine work. — used to show that you feel strongly about something. How old he looks!

how Subordinator

— You use how to tell that something happens, is done, or is true. She told him how it wasn't fun anymore.