Meaning of ultrapure | Babel Free

Definitions

Extremely pure; of supreme purity.

Equivalents

Examples

“ultrapure water”

“To quote Doctor Taylor further: "Certainly the laboratory and the factory which have⟳ cheapened food by canning and preserving it and the well-meaning legislator who has purified it, in some cases, perhaps, to the exclusion of the vitamines, owe⟳ to the public the corrective for machine-made, ultrapure and deceptive products."”

“We will see⟳ on the other hand that when the symbiotic association has continued for a long time it may be very difficult to obtain⟳ ultrapure colonies. In this last⟳ case it is necessary to adopt⟳ special methods of isolation.”

“The very high cost⟳ of ultrapure semiconductor silicon has been a barrier to lowering the cost⟳ of solar cells. Metallurgical-grade silicon has a purity as high as 99 percent, and it costs 10 to 20 cents per pound, roughly the same cost⟳ as steel. The semiconductor-grade silicon, used In solar cells, however, has a purity of 99.99999 percent and costs $10 to $20 a pound.”

CEFR level