columnar

Tall, columnar, with a great dignity about him, had there been any one there to see.

There are two principal forms of ice crystal—the tabular and the columnar.

They are columnar, and are wedged in between the larger ones.

They are irregular in shape, with a slight tendency to be columnar.

It is also called the commutation method and the columnar method.

How are the axes of the prisms in a columnar igneous rock arranged?

The columnar structure is not peculiarly characteristic of basalt.

Many basalts are not columnar, and not a few columnar rocks are not basalts.

Most commonly the cells are columnar, but other shapes are also found.

This mass exhibits a columnar structure similar to that of the Giant's Causeway.