Cách sử dụng
The word 'instantaneous' means something that happens very quickly, almost immediately. For example, when you turn on a light switch, the light comes on instantaneously. It is a word that is often used when things happen very quickly, without any delay. You could use the word 'instantaneous' to describe the speed of a reaction or the time it takes for something to happen. It is a word that is used more in formal or technical contexts, rather than casual conversation.