The combining form in radiograph means:

A) instrument for.
B) radius.
C) x-ray.
D) inflammation.

Radiograph

An imaging technique using X-rays to view the internal form of an object, commonly used to check bones and organs.

Combining Form

A word element used in linguistic composition, primarily in medical terminology, to combine with another form to create a word with a new meaning.

X-ray

A form of electromagnetic radiation that is used to create images of the interior of the body, often for diagnostic purposes.