See Also: challenged(dictionary)
challenged(dictionary)
physically challenged(dictionary)

threose (iou) and challenged (iou)


threose (iou)



threose noun. E20.
[from ERYTHROSE by arbitrary rearrangement: see -OSE2.]
Chemistry. A hygroscopic solid tetrose sugar, CHO(CHOH)2CH2OH, existing as two optical isomers and differing from erythrose in having the hydroxyl groups on the second and third carbon atoms on opposite sides of the carbon chain.

challenged (iou)



challenged adjective. euphem. (orig. US). L20.
[from CHALLENGE verb + -ED1.]
(With prefixed adverb) handicapped, esp. physically. Hence (joc.), disadvantaged or lacking in some specified regard.
P. Ormerod The mathematically-challenged reader can check this easily.
? Introduced in the 1980s (in physically challenged) as a more positive alternative to disabled or handicapped, but soon used with Other adverbs, often making fun of euphemism and political correctness generally.