What do you mean by gravitational constant. State its SI units?

What do you mean by epistaxis?

What do you mean by earthing?

What do you mean by "fluid"?

What do you mean by antibiotic ?

What do you mean by deforming?

What do you mean by geostationary satellite ?

What do you mean by matter waves?

What do you mean by radius of gyration of a body? State its unit. Also discuss the factors on which radius of gyration depends.

What do you mean by endocrinology?