Physics is his major. ?
Physics is his major subject.
He is a math major. ?
He is a student majoring in mathematics.
The verb form of major means great, such as:
I majored in economics. ?
I majored in economics.
Major mainly means "major" in American English, and British English doesn't use "major" to mean major. Usually expressed as follows:
"I study marketing." I study marketing.
If you have graduated, you can use the past tense, "I studied marketing in college" or "My degree is/was marketing" (my degree is marketing).
Extended data:
First, the main nouns in other forms of meaning are:
1, adult, has reached legal age.
2. Army (or Air Force or Marine Corps) major.
3, major, major scale, used in music.
4, used in logic refers to the major premise.
5. Major companies (organizations, enterprises, etc. )
IBM is a major in computer industry. ?
IBM is a big company in the computer industry.
Noun, noun
Second, the significance of major as an adjective
1, larger; larger
My house needs to be overhauled. ?
My house needs to be overhauled.
2. Significant and important; topping
He is an important musician. ?
He is a great musician.
3. major in
Her major subject is mathematics. ?
Her major is mathematics.
4, adulthood, reaching legal age
Musically used as a major scale.
6. Logic is used to make a big premise.