Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Miscellaneous

What does the x. in x-ray stand for?


X in X-Ray signifies unknown, as in unknown type of radiation

{{ relativeTimeResolver(1596731180447) }}

LIVE
Points points 87
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE