What do you mean by dielectric polarisation ?

What do you mean by selfiecid ?

What do you mean by deforming?

What do you mean by earthing?

What do you mean by antibiotic ?

What do you mean by epistaxis?

What do you mean by ecosystem?

What do you mean by crossed polaroids ?

What do you mean by polarisation of light ? How will you distinguish between polarised and non polarised light ?

What do you mean by endocrinology?