X-ray

Pronunciation

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Noun

Singular X-ray

Plural X-rays

An X-ray picture of a hand

1. X-rays are a type of invisible light beyond ultra-violet. They pass through skin and tissue, but not bone, making it useful in medicine. X-rays are a type of radiation.
2. A photograph taken with X-rays

   When John broke his arm, he had an X-ray taken.

Verb

Plain form X-ray

Third-person singular X-rays

Past tense X-rayed

Past participle X-rayed

Present participle X-raying

1. To take an X-ray photograph

   The doctor X-rayed the patient's leg

Adjective

Positive X-ray

Comparative none

Superlative none

1. To do with X-rays

   The airport had an X-ray scanner.

Usage

You can use a capital X or a small x when writing this word. An X-ray is the same as an x-ray.