a band of electromagnetic radiation with wavelengths between gamma rays and ultraviolet radiation (c. .005 to c. 5 nanometres), capable of penetrating opaque or solid substances, ionizing gases and body tissues through which they pass or, by extended exposure, destroying tissue, and affecting photographic plates and fluorescent screens, used in medicine for study, diagnosis, and treatment of certain organic disorders, esp. of internal structures of the body; X-ray.

a single arrow.

a single voice.

something uttered by many persons, but together that seems to be a single voice.

continuity of anything (as happening of incidents, performing without a break etc.).

a moving or travelling alone.

a single tone; unison; an agreement of opinions (of different people); unanimous opinion.

(correctly ಏಕಾವಳಿ) a necklace of a single string.

a single-stringed necklace.