Extension can be illustrated by the following example:（ ）.
A good example of （ ） is the word “manuscript”, which now means “writing by hand or typed with a type-writer or a word-processor”, but its original meaning was “handwriting” only.
The process by which a word which originally had a specialized meaning has now become generalized is（ ）of word-meaning.
The mode of （ ） is well reflected in the word “picture”, which originally denoted mere “painting”, but now has come to include “drawings” and even “photographs”
Complete the following statements with proper words or expressions according to the course book.
There are generally major factors that cause changes in meaning.
There are generally major factors that cause chan ges in word meaning.
Which of the following words has NOT undergone extension of meaning?（ ）
Which of the following words originally had a specialized meaning but now become generalized?（ ）
The word journal originally denoted mere "daily paper", but now has come to include "periodical". of meaning is reflected in this example.
Which of the following words is an example of extension of meaning?（ ）
The name given to the widening of meaning which some words undergo is .
The process by which a word which originally had a specialized meaning has now become generalized is called ( ).
Define the following term：
extension of meaning
Barn was once “a place for storing only barley”, but now means a “storeroom”. This is an example of of meaning.
major factors that cause changes in meaning.