Type in the term to which the definition and/or example below applies.

Be careful not to misspell the word.

Check if your answer is in the cheat sheet provided with this quiz—it should be one of the items on that list.

If the expected answer is a noun, do not add the article a or the.

the process in which a pair of different segments becomes a single segment which is different from either of the original segments

noun — use one word only, no spaces