supergiant
Supergiant (noun) means an extremely luminous, massive star, roughly 10 to 70 times the mass of the Sun. Example: “The astronomer pointed out a red supergiant in the image.”
How to use supergiant
Learner’s notesIn plain EnglishAn extremely large and massive star.
It is a scientific term used in astronomy.
Fill the gap
Can you complete this real example?
The astronomer pointed out a red _____ in the image.
Etymology
Supergiant is formed in English from the prefix super- and the word giant.