Meanings
nounhard X-ray (plural hard X-rays)
plural hard X-rays
- An X-ray with high photon energies above 5–10 keV.
Antonyms: soft X-ray
Synonyms & antonyms
nounAn X-ray with high photon energies above 5–10 keV.
Opposite
Cite this entry
APA
hard X-ray. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hard%20X-ray
MLA
“hard X-ray.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hard%20X-ray. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “hard X-ray,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hard%20X-ray.
Source: hard X-ray on Wiktionary, CC BY-SA 4.0.