The electric multiple units are the main form of commuter rail transportation in this city.

The heavy rain turned the streets into muddy waters.

I need to buy some new muffin pans for baking.

I need to replace the muffler bearings on my car.

The mucky mucks gathered for a high-level meeting.

I love the muffin caps at this bakery.

I need to buy new muffin tins for baking.

She took multiple exposures of the sunset.

She captured stunning multiple-exposures of the city skyline.

Multiple bonds are important in organic chemistry.