A particular, genetic syndrome, caused by the excessive repetition of a particular trinucleotide.

the lowest energy, lowest frequency, longest wavelength end of the X-ray EM band, overlapping with EUV (extreme ultraviolet).

electromagnetic radiation consisting of X-rays, radiation in the X-ray spectrum, of shorter wavelength and higher frequency than ultraviolet and longer wavelength and lower frequency than gamma rays

plural of X-ray vision

plural of X-linked trait

(linguistics) A theory that posits a common syntactic structure for different lexical categories. Each phrase (XP) is the projection of a head (X) and may optionally include a specifier (sister of X-bar, daughter of XP), adjuncts (sister and daughter of X-bar) and complements (sister of X, daughter of X-bar).

plural of x-ray vision

Alternative spelling of X-ray vision

plural of soft X-ray

plural of super X-ray