X-ray star
Astronomy
noun
Any compact celestial emitter of X-rays (not necessarily a star), such as an X-ray binary or an X-ray pulsar.
Origin
1960s; earliest use found in The Daily Telegraph.
- in one's head
- in one's heart of hearts
- in one's mind's eye
- in one's own person
- in one's own right
- in one's own sweet time (or way)
- in one's own time
- in one's pelt
- in one's senses
- in (one's) shirtsleeves
- in (one's) stockinged feet
- in one's tracks
- in one's wildest dreams
- in open court
- inoperability
- inoperable
- inoperably
- inoperative
- inopportune
- inopportunely
- inopportuneness
- in opposition
- in (or at) a canter
- in (or at) one fell swoop
- in (or by) comparison