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x-ray
mastery UK /ˈɛks ɹeɪ/ US /ˈɛks ˌɹeɪ/nounverbadj
card 1 of 10 · synonym
Which word is closest in meaning to 'X-rays' in this sentence?
X-rays are light with a wavelength between 0.1 and 10 nm.
card 1 of 10 · synonym
Which word is closest in meaning to 'X-rays' in this sentence?
X-rays are light with a wavelength between 0.1 and 10 nm.