Barrer

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Barrer 

A unit of oxygen permeability of a contact lens material. Symbol: Dk. It is equal to the product of the diffusion coefficient D of oxygen through the material (i.e. the speed at which oxygen molecules pass through the material) and the solubility k of oxygen in the material (i.e. the number of oxygen molecules that can be absorbed in a given volume of material). See oxygen permeability; oxygen trans-missibility.
References in classic literature ?
At two o'clock in the morning, our four adventurers left Paris by the Barriere St.
He knew, that I should arrive to-day at ten o'clock; he was waiting for me at nine at the Barriere de Fontainebleau.
On approaching an outpost near the Barriere des Sergens, the sentinel cried out, "Who's there?
Come, Guitant, come along, and let's see if they keep watch at the Quinze-Vingts as at the Barriere des Sergens.
They went to live, like dove-turtles, near the barriere de Courcelles, in a little apartment at three hundred francs a year, with white cotton curtains to the windows, a Scotch paper costing fifteen sous a roll on the walls, brick floors well polished, walnut furniture in the parlor, and a tiny kitchen that was very clean.
We went through the formalities of the custom-houses, or barrieres, the same day, and the next morning we were all transferred to a celebrated shop that dealt in articles of our genus.
Picardie = province of France, north of Evreux; barrieres = gates at the edge of Paris, where local customs duties were collected; magazin = shop; fiacre = a kind of carriage; Douane = customs house; confidential commissionaire = special messenger}
Hector Jerome, a negotiator and spokesman for Barriere Lake, had a different version of events.
HE may have an unfavourable draw but confidence is high in the Godolphin camp over hot Prix de l'Arc de Triomphe-Lucien Barriere favourite Sakhee.
JOHANNESBURG, who is already the ante-post favourite for the Sagitta 2000 Guineas, puts his unbeaten record on the line in the Prix Morny Casinos Barriere at Deauville today.
EUROPE'S - and Asia's - finest are set to go to post for the Prix de l'Arc de Triomphe Lucien Barriere at Longchamp next Sunday and an intriguing contest is in store.
The robbers then ordered everyone to lie on the floor and demanded money, Barriere said.