They just got out of each other's way, molecule by molecule.

A microwave oven cooks the food by exciting one specific molecule which is very common, water.

The waves cause heat by exciting (increasing the movement of) molecules in the substances they strike.

I just wait for the lights to put my food in me molecule by molecule, and to take it out again.

Take it apart molecule by molecule if you have to.

The absorption of ultraviolet light by organic molecules very often leads to reactions.

She drew in air slowly, tried to let it out molecule by molecule.

But by aligning molecules, the insulating board conducted electricity at the points of touch.

Life which had come the whole tortuous way, molecule by molecule, just like the real thing.

The absorption of infrared light by organic molecules causes molecular vibrations.