• WordNet 3.6
    • adj ethereal characterized by lightness and insubstantiality; as impalpable or intangible as air "figures light and aeriform come unlooked for and melt away"- Thomas Carlyle","aerial fancies","an airy apparition","physical rather than ethereal forms"
    • adj ethereal characterized by unusual lightness and delicacy "this smallest and most ethereal of birds","gossamer shading through his playing"
    • adj ethereal of heaven or the spirit "celestial peace","ethereal melodies","the supernal happiness of a quiet death"
    • adj ethereal of or containing or dissolved in ether "ethereal solution"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: 'Crack' is the street name given to cocaine that has been processed from cocaine hydrochloride to a free base for smoking. Rather than requiring the more volatile method of processing cocaine using ether, crack cocaine is processed with ammonia or sodium bicarbonate (baking soda) and water and heated to remove the hydrochloride, thus producing a form of cocaine that can be smoked.
    • Ethereal Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc. "Vast chain of being, which from God began,
      Natures ethereal , human, angel, man."
    • Ethereal Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; as, ethereal space; ethereal regions. "Go, heavenly guest, ethereal messenger."
    • Ethereal (Chem) Pertaining to, derived from, or resembling, ether; as, ethereal salts.
    • ***
Century Dictionary and Cyclopedia
    • ethereal Formed of or containing or filled with ether (sense 1); hence, relating or belonging to the heavens or heaven; heavenly; celestial; spiritual: as, ethereal space; ethereal regions.
    • ethereal Figuratively, having the characteristics of ether or air; light, intangible, etc.
    • ethereal Existing in the air; resembling air; looking blue like the sky; aërial: as, “ethereal mountains,”
    • ethereal In physics, of, pertaining to, or having the constitution of ether (sense 2).
    • ethereal In chem., of or pertaining to an ether or to ether: as, “ethereal liquids,”
    • ethereal Same as volatile oil (which see, under volatile). Synonyms Airy, aerial, empyreal.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Ethereal consisting of ether: heavenly: airy: spirit-like
    • ***


  • Ralph Waldo Emerson
    “Time dissipates to shining ether the solid angularity of facts.”
  • Henry David Thoreau
    “The purity men love is like the mists which envelope the earth, and not like the azure ether beyond.”


Chambers's Twentieth Century Dictionary
L.,—Gr. aithēr, aithein, to light up.


In literature:

He had become acquainted with this property of ether while studying medicine in Philadelphia.
"Stories Of Georgia" by Joel Chandler Harris
I don't even want to drug you, otherwise it would have been simple to have given you a little more ether.
"The Green Rust" by Edgar Wallace
The conception of ether furnishes a similar case.
"The Approach to Philosophy" by Ralph Barton Perry
But, you may say, on what does the Earth rest in her ethereal navigation?
"Astronomy for Amateurs" by Camille Flammarion
In general, matter is found in four forms, as (1) solids, (2) fluids, (3) gases, (4) ethereal substances.
"The World's Greatest Books - Volume 15 - Science" by Various
It was, he said, some unknown form of etheric vibration.
"The Fire People" by Ray Cummings
It swung in ether, solitary and pure, a crystal world, not yet breathed upon.
"The Creators" by May Sinclair
It is not very scurrilous, but serious and ethereal.
"My Recollections of Lord Byron" by Teresa Guiccioli
Science attributes this quality to difference in the LENGTH of ether waves impinging on the retina, which causes the sensation of color.
"A Color Notation" by Albert H. Munsell
As the atom was the first etheric blunder, so the material Universe is the grand etheric mistake.
"The Crack of Doom" by Robert Cromie

In poetry:

The earth and the ether brought it
Sustenance, raiment, grace,
And the feet of the west wind sought it,
And smiled in its smiling face.
"A Snow-White Lily" by Alfred Austin
Unwearied through eternity,
Their pleasing toil they still pursue,
And spread around th' ethereal space
The glorious theme, for ever new.
"Retired Hours" by Maria Frances Cecilia Cowper
Claims you, and guides you, too,
Three thousand miles across the summer's waste
Of blooms ye knew
Less finely fit for your ethereal taste.
"The Humming Birds" by Alfred Noyes
Dew gleamed in many a jewelled cup,
The air was bright and gracious;
And away the wings and the song went up,
Up through the ether spacious.
"The Owl And The Lark" by Alfred Austin
Though blind we rush, what matter? God
Guides through the boundless ether.
What matter if, like earth and moon,
We go, love, still together?
"Immortal Eve - IV" by Manmohan Ghose
Late, in a flood of tender light,
She floated through the ethereal blue,
A softer sun, that shone all night
Upon the gathering beads of dew.
"The Waning Moon" by William Cullen Bryant

In news:

Ethereal , the champion New Zealand-bred Australian stayer by Rhythm, has been retired.
Ethereal , Calaway Gal Headline Rosehill Results.
The ethereal "efficiency of scale".
The words flow off the tongue, lyrical and ethereal: Nova Scotia .
Ether Island Black Wind Way Season of Risk Not Not Fun 3:03 AM.
While there wasn't a ton of "wow" moments on the red carpet last night, two of the clear trends were gowns in ethereal shades of pale or "va-va-voom" reds.
Neil Halstead brings a breezy, ethereal tone to his solo albums, the most recent of which shines brightly as the British singer continues to settle into a folk habitat.
Get the most comprehensive and accurate propylene-glycol-methyl-ether-methoxy- propanol price assessments.
Get the most comprehensive and accurate propylene-glycol -ethers price assessments.
Shell Nederland Chemie BV has brought a 100,000 tonnes/year propylene oxide glycol ether plant on stream at Pernis, the Netherlands.
Benjamin Millepied's ethereal " Quasi Una Fantasia" is the principal dancer's first ballet New York City Ballet.
Benjamin Millepied's ethereal " Quasi Una Fantasia" is the principal dancer's.
On a grand detour in a career full of them, these masters of ethereal, swirling New York art-gaze try their hand at ethereal, swirling Scandinavian electro.
Innovative detectives crack Ether Man case.
Target 7 learned Howard Bruce, otherwise known as the Ether Man, almost got away with a number of violent rapes, but an innovative tactic kept the cases alive.

In science:

The assumption that our current continuous ether theory remains valid at arbitrary small distances has to be rejected.
Generalization Of Lorentz-Poincare Ether Theory To Quantum Gravity
The ether probably has a yet unknown atomic structure.
Generalization Of Lorentz-Poincare Ether Theory To Quantum Gravity
This has been shown for a simple discrete example theory, and there is no reason to doubt that it works for other atomic ether theories too.
Generalization Of Lorentz-Poincare Ether Theory To Quantum Gravity
On the relative motion of earth and luminiferous ether.
Lessons From the Physics-Education Reform Effort
First of all, I would like to make this point clear: the orthodox interpretation is correct on the condition of the uniform flow of the ether; this is in the limitation of the theory of special relativity.
A revisit of the papers on the theory of relativity: Reconsideration of the hypothesis of ether-dragging