American Heritage Dictionary
(2)
Century Dictionary
(4)
GNU Webster's 1913
(1)
WordNet
(3)
Elsewhere on the web
Non-lustrous, and looks as if made from black linen thread Chiffon Lace._--Chiffon embroidered in twist silk Cluny._--Coarse-thread bobbin lace, made in both linen and cotton.— Textiles For Commercial, Industrial, and Domestic Arts Schools; Also Adapted to Those Engaged in Wholesale and Retail Dry Goods, Wool, Cotton, and Dressmaker's Trades
Hanny's eyes were lustrous, and her cheeks pink with excitement.— A Little Girl of Long Ago
The eyes of the children were large and lustrous, and they revealed the clear pearls beneath their lips as they clung bashfully to their mother's lap.— Campaigns of a Non-Combatant, and His Romaunt Abroad During the War
This, of itself, had been enough to pique curiosity in a young girl, just escaped from her convent school; but added to the outward semblance of the stranger, by the sun made lustrous--so lustrous inwardly--Adela Miranda was moved by something more than curiosity.— The Lone Ranche
And when a Woman is invisible, or visible only as a dim sub-lustrous point, how difficult must it be, even for the most cautious, always to avoid collision Many are the enactments made at different times in the different States of Flatland, in order to minimize this peril; and in the Southern and less temperate climates, where the force of gravitation is greater, and human beings more liable to casual and involuntary motions, the Laws concerning Women are naturally much more stringent.— Flatland: a romance of many dimensions

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word a few times a year.
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