Pyrolysis without fire can also occur in more familiar circumstances. Imagine blackening a piece of fish on a pan using an electric range , where electricity heats metal coils on the cooktop until they are incandescent, but not on fire.
Leave the fish unattended for too long and it will start to char and smoke. But why bother with putting fish in the pan? All oils and fats used in cooking have smoke points — the temperature at which they start to degrade into a charred goo of glycerol and fatty acids — as seen in this video. Sure, leaving these smoking substances on the range for too long will cause them to eventually combust oils and fats, after all, do have flash points , but before that, you have a whole lot of smoke with no fire!
What body part really decomposes first in a dead fish? The fish rots from the head down : The phrase seems to pop up more frequently when political scandals or accusations of malfeasance make headlines. The origin of the phrase is murky , likely stemming from folk proverbs of Europe and Asia Minor. But the meaning is simple—if a system is corrupt, its leaders instigated the corruption. The authoritative ring to this phrase belies its accuracy. Fish, in fact, start to rot from the gut. If the belly is brown and the bones are breaking through the skin, I toss the fish out.
Hard as nails: The saying is often used to describe a person who is stern, unyeilding, unsympathetic, bordering on ruthless. The hardness of a material can be estimated relative to other substances according to where it falls on Mohs scale of mineral hardness.
This scale, which ranges from one through 10, was developed by the German geologist in to help him classify the minerals he encountered in his excursions. Talc, a soft mineral easily powdered, is a one on the scale. The malleable element copper sits at a three.
Quartz—the clear crystal common in sand or the spiny lining on the inside of a geode—is a seven. Diamond, the hardest natural substance on the planet, is a Save This Word!
See synonyms for once in a blue moon on Thesaurus. We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Words nearby once in a blue moon on call , on-camera , once , once and for all , Once bitten, twice shy , once in a blue moon , once in a lifetime , once in a while , Once more unto the breach, dear friends , once-over , once-over-lightly. All rights reserved. Words related to once in a blue moon barely , comparatively , practically , rarely , seldom , simply , somewhat , every now and then , every so often , infrequently , intermittently , now and again , occasionally , periodically , sporadically , hardly , sometimes , scarcely , consistently , constantly.
How to use once in a blue moon in a sentence Once discovered, this maneuver did not endear the councilors to their constituents.
Example: The soldier bit the dust after a very long fight and even at that he managed to take many enemy soldiers with him. Read on. Although I trust in God, I visit that famous temple only once in a blue moon.
Origin The concept behind the origination of this idiom is second but rare appearance of the full moon in same month. In the book, one character says to another. I have seen a red blood moon twice. It happened this year twice. Thanks, helped a lot.
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