He sprinted toward the bastion, running on fumes, gazing upward at the citadel's circular core as it shot skyward to a gargantuan, sword-wielding angel.

The circular interior core of the tower, upward through which the ladder extended, was rather dark.

Strictly speaking, a circular core is not required in order to have two degenerate polarization states.

Everything was gone: the gardens, the interlinked canals and pools, the golden homes and grounds which had formed a circular core about a mile in diameter.

Due to its proximity to a railway tunnel, the main load was built on to a twin ring of piled foundations directly beneath the circular structural core.

This is reflected clearly in its distinct architectural features such as the circular core, the semicircular corridors, the hemispherical dome and the square plan.

Rather than being bound into a booklet, the cards were attached to a circular core, rather like a huge Rolodex.

From a tree trunk, a circular core is carved out and sand-clock counter is achieved by trimming its outer belly.

A circular core of myocardium is cut and removed using specialized coring tools.

Unlike the similar tahōtō (see section below) it has no enclosed pent roof (mokoshi) around its circular core.