Question

Darius is learning the names of two or three new objects or events every day. this rapid increase in vocabulary is referred to as the ________________________________________________.

Answer 1

this rapid increase in vocabulary is referred to as the: NAMING EXPLOSION

Naming explosion or most commonly known as 'word spurt' is a situation where a child manage to add a lot of new words over a period of time.
This occurence most commonly happen after the child's brain has recognize the pattern of the specific language which allows him/her to understand and memorize it better.