Lustra [noun]

Thus passed away two lustra of her life, and as yet my daughter remained nameless upon the earth.

Lustra-cellulose prepared by spinning a solution of cellulose in concentrated chloride of zinc.

Concentrated nitric acid attacks the natural silks powerfully in the cold; the lustra-celluloses dissolve on heating.

The China silk was dissolved by this reagent; Tussah silk and the lustra-celluloses entirely resisted its action.

Millon's reagent, at the boiling solution, colours the natural silks violet: the lustra-celluloses give no reaction.

Industrial applications of the lustra-celluloses are briefly noticed in the concluding section of the book.

The authors enter a protest against the term 'artificial silk' as applied to these products, and suggest 'lustra-cellulose.'

Fehling's solution is a solvent of the natural silks, but is without action on the lustra-celluloses.

CrO3—solution dissolves both the natural silks and the lustra-celluloses at the boiling temperature of the solution.

"Cathay" and "Lustra" were followed by the translations of Noh plays.