The ophthalmologist diagnosed the patient with KCS after observing persistent dry eye symptoms.

The curriculum maps showed several KCs that students struggle with each semester.

After years of practice, she was appointed a KC and led the high-profile appeal.

After college, I moved to KC to pursue a career in architecture.

The old radio could only receive stations around 1210 kc at night.

The radio station broadcast at 100 kc/s throughout the night.