(politics, historical) A Victorian group of young Tory politicians who opposed free trade and radicalism and professed a sentimental attachment to earlier forms of social life in England.

(politics, historical) A political movement for Italian youth, founded in 1831 by Giuseppe Mazzini, and aiming to create a united Italian republic through promoting a general insurrection in the Italian reactionary states and in the lands occupied by the Austrian Empire.

(euphemistic, humorous) Decades old.

sea ice, formed during the previous winter, slightly older than nilas

(mathematics) An element of the group algebra of the symmetric group, constructed in such a way that, for the homomorphism from the group algebra to the endomorphisms of a vector space V^(⊗n) obtained from the action of S_n on V^(⊗n) by permutation of indices, the image of the endomorphism determined by that element corresponds to an irreducible representation of the symmetric group over the complex numbers.

(historical) From the late-19th to the early-20th century, a member of a movement that campaigned for reform of the Ottoman Empire.

plural of young Turk

The disposable income of young people

plural of Young's modulus

(idiomatic) Having the joy and vitality associated with younger people, despite one's own advanced age.