Levo and dextro rotation reference a molecule's ability to rotate planes of polarized light in either direction.

And some Europeans worried that the Fund was taking sides in a polarized intra European dispute about how the costs of the financial crisis should be shared.

Rather, the problem is a polarized Congress that has taken no major economic decisions in the last few years other than missteps (like the fiscal cliff) that risk tripping the economy into recession.

In his six years in office, he has repeatedly tried to bypass a polarized state legislature even the annual budget requires a two thirds majority by appealing directly to voters.

In the 1843 second edition Bird expanded the material on electrolysis into its own chapter, reworked the polarized light material, added two chapters on thermotics (thermodynamics a major omission from the first edition), and a chapter on the new technology of photography.