Elements of the Universe: Aither – 12 Words

ether

element once believed to consitute all heavenly bodies

Some prayers will be answered; others will drift into the ether.New York Times (Jun 3, 2015)
etherize

anesthetize with ether

Under ordinary conditions he would have been etherized in an adjoining chamber and brought into the operating-room entirely unconscious.Bleyer, Willard Grosvenor
ethereal

characterized by unusual lightness and delicacy

Clay is not a medium known for its ethereal qualities.Architectural Digest (May 6, 2015)
etherealize

make ethereal

The intensely rarefied and etherealized atmospheres surrounding that planet would not maintain animal life such as yours.Helleberg, C. G. (Carl Gustaf)
ethernet

a type of network technology for local area networks

To get the most accurate measure of your connection speed, however, plug your computer directly to your router with an Ethernet cable, if you can.New York Times (Jul 11, 2014)
ethyl

the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom

Ethyl Alcohol, which is that which we have described as obtained from fermentation of fruits and grains, is the ordinary alcohol of commerce.Steele, Joel Dorman
ethane

a colorless odorless alkane gas used as fuel

The seas are filled not with water, but with hydrocarbons like methane and ethane.BBC (Mar 18, 2015)
ethanol

the intoxicating agent in fermented and distilled liquors

The Renewable Fuel Standard, or RFS, has required corn-based ethanol to be blended into almost every gallon of gasoline sold in the U.S.Washington Times (Aug 13, 2015)
urethane

an ester of carbamic acid

Some of their designs are multilayer balls with urethane covers, typically the highest-priced golf ball construction on the market.Golf Digest (Oct 16, 2013)
polyurethane

any of various polymers containing the urethane radical

Replacement by polyurethane piping, which can withstand earthquake shaking, could overcome this problem.BBC (Dec 10, 2013)
ester

formed by reaction between an acid and an alcohol with elimination of water

Certain volatile esters — the naturally occurring chemical compounds that create smell — can actually make food taste sweeter, saltier and more bitter.Los Angeles Times (Jun 19, 2015)
polyester

a complex ester used for making fibers or resins or plastics or as a plasticizer

These fabrics are usually wool, silk or synthetic materials made of polyester and nylon.Washington Times (Jan 2, 2015)

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