Luminescent organisms emit heatless light.    From Wordnet, Princeton University. 

Noun : the heat of an oven. ,moderate heat. ,unpleasant heat. ,the heat of a fever; the feeling of heat caused by physical exertion. ,He spoke with much heat and at great length. ,the heat of battle; the heat of passion. ,In the heat of his hasty departure he forgot his keys. ,The painting was finished at a heat. ,All guards carry some heat. ,to be in heat.    From Dictionary.com. 

No more heatless winters for the Palestinian people!.    From Wordnik.com.  [We can stop the TERROR] Reference

“Good idea, but the invisible fire is also heatless.”.    From Wordnik.com.  [languagehat.com: DROGULUS.] Reference

A noiseless, heatless explosion that shattered her completely.    From Wordnik.com.  [Night World No. 2] Reference

There was a thin glitter of drawn weapons in the heatless light.    From Wordnik.com.  [The Silicon Mage]

It felt exactly like what it resembled, a piece of glowing heatless glass.    From Wordnik.com.  [Splinter Of The Mind's Eye]

He slept most of the day, beneath a pale and heatless wafer disk of a sun.    From Wordnik.com.  [Across The Sea Of Suns]

We weren't consigned to some heatless housing project in Harlem or the Bronx.    From Wordnik.com.  [Dreams From My Father]

Dire predictions of heatless winters and a car-less future are missing the point.    From Wordnik.com.  [Industrial Revolution, Take Two] Reference

Turned out a ship fitter had rigged a heatless still, using the vacuum around us.    From Wordnik.com.  [The Past Through Tomorrow]

John watched the ash in Hatch's cigar turning from a glowing red to a heatless gray.    From Wordnik.com.  [Spring Street A Story of Los Angeles] Reference

"We took pollen from the hot to pollinate the heatless to create a hybrid," he said.    From Wordnik.com.  [Archive 2004-11-01] Reference

The heatless sunlight was flooding the lonely white road when he began the homeward journey.    From Wordnik.com.  [Of Time and Stars]

Overhead the dim red ember of Phi Coronis, Wolf's old and dying sun, gave out a pale and heatless light.    From Wordnik.com.  [The Door Through Space] Reference

I think you are now the official expert on refreshing summer food after 64 heatless entries in your event!!!.    From Wordnik.com.  [Lemon Zucchini Bread] Reference

During winters in Angelshand, dawn came late; in the pre-solstice depths, a heatless daylight lasted five or six hours.    From Wordnik.com.  [The Silicon Mage]

The sun seemed remote and heatless, the explosions rattled his teeth together, he felt the earth vibrations in his boots.    From Wordnik.com.  [do you ever read writing?] Reference

The two beings linked themselves together in some fashion unknowable to man and shot away through the airless, heatless void.    From Wordnik.com.  [Masters Of The Vortex]

Not with stars but with infinitesimally narrow threads of golden fire, crackling like heatless lightning from horizon to horizon.    From Wordnik.com.  [Spin] Reference

"Good idea, but he invisible fire is also heatless.".    From Wordnik.com.  [thinkBuddha.org] Reference

This heatless girl stabbed her sibling and nearly killed her mum.    From Wordnik.com. Reference

Fleischmann said there's less money in a variety of funds to help the heatless.    From Wordnik.com.  [News from www.thesunchronicle.com] Reference

An 'there was them heatless days last winter -- I guess no one was hankerin' for more of THEM.    From Wordnik.com.  [Dawn] Reference

The leaves were not yet turned, and upon my face the heatless, sun-steeped air was like a caress.    From Wordnik.com.  [The Cords of Vanity A Comedy of Shirking] Reference

Against the door, an octave of tubular chimes, prisms of voiceless harmony and of heatless light.    From Wordnik.com.  [Humoresque A Laugh on Life with a Tear Behind It] Reference

Such a heatless condition has been approached, but as yet not quite attained, in laboratory experiments.    From Wordnik.com.  [A History of Science: in Five Volumes. Volume III: Modern development of the physical sciences] Reference

Yet even then, according to the current hypothesis, the heatless molecule will still be a thing instinct with life.    From Wordnik.com.  [A History of Science: in Five Volumes. Volume III: Modern development of the physical sciences] Reference

S home house insurance taps pinkeye of maundy, is crybaby by dbm, a polynesian uninvolved heatless and suprematist reprimand rigorously.    From Wordnik.com.  [Rational Review] Reference

A Paterson Health Department representative said that city's aim is to get an inspector out to the heatless apartment as soon as possible.    From Wordnik.com.  [Latest News] Reference

And those pale, heatless flames, icy as serpent tongues played along the darkening heavens, and mocked at us who craved warmth and shelter.    From Wordnik.com.  [The Way of a Man] Reference