chaff

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Related to separate the wheat from the chaff: separate the sheep from the goats

chaff

the dry membranous bracts enclosing the flowers of certain composite plants

Chaff

 

the resulting waste products from threshing and cleaning the grains of cereal and leguminous plants. It consists of hulls, bits of spikelets, ground leaves, underweight grains, and the seeds of weeds. The nutritional value of chaff is higher than that of straw. One kg of wheat chaff contains 0.43 feed units and 26 g of digestible protein; 1 kg of rye chaff contains 0.40 feed units and 21 g of digestible protein; and 1 kg of oat chaff contains 0.44 feed units and 23 g of digestible protein.

Chaff may be used in mixtures with succulent feeds, wet mash, molasses, and other slops for fattening cattle, horses, and swine. When grain is harvested by combine, the chaff is mixed with straw and is thus used as feed for animals.

chaff

[chaf]
(agriculture)
Seed coverings and small stem pieces which are separated from grass and grain seeds in threshing or processing.
(ordnance)
Thin, flat pieces of metal foil, plain or backed, designed to act as a countermeasure against enemy radar when released into the atmosphere.

chaff

The general name applied to radar confusion refractors, which consists of thin, narrow, metallic strips of various lengths and frequency responses fired into or dropped through the atmosphere in order to deflect radar signals and so prevent detection by the enemy radar. These radar-reflective particulate matter or dipoles are sized to known or suspected enemy wavelengths. This is the earliest form of electronic warfare. Also known as windows.
References in periodicals archive ?
The task of the copy editor is to improve and polish the writing and not, in the immortal words of a New York Times reporter, "to separate the wheat from the chaff and then throw away the wheat."
Say what you will about Chris Spirou--the former New Hampshire fount of political wisdom--but he knows that, when it comes to advice, you have to separate the wheat from the chaff.
My initial reaction was that everyone looked put-together and that it was easy to visually separate the wheat from the chaff for my information-gathering ...
It provides a useful way to separate the wheat from the chaff for most survival kit items.
But how can you separate the wheat from the chaff? The Commission says the member states should sort things out themselves and examine on a case-by-case basis whether there has been an over-allocation of emission trading permits or deliberately exaggerated estimates.
More than two years ago, TEI joined with LMSB to produce the Joint Audit Planning Process, whose goals are two-fold: (i) to establish accountability in executing a jointly developed audit plan, and (ii) to develop an issue-focused plan to, if you will, separate the wheat from the chaff and thereby increase audit efficiency.
As a former staff member at an Indian Residential School, and having worked on the fringe of the residential school system for some time, I am angry and frustrated at the Anglican Church of Canada because of its inability to separate the wheat from the chaff. Indeed, I would be remiss not to state that, in this regard, I have been thoroughly ashamed of the Anglican Church of Canada.
You correctly caution that one must be careful to separate the wheat from the chaff and that there is much disinformation about.
So, in the spirit of providing information that lets my readers separate the wheat from the chaff, I welcome you to this year's edition of my own ratings of the technology events and developments of the past year.
Mathematicians get so many letters from crackpots claiming to have proved amazing theorems, Graham says, that it would take too much time to separate the wheat from the chaff.
Like all incoming cadets, she must report in the summer prior to her first academic year in order to go through Beast, the grueling training designed to separate the wheat from the chaff. As Andi wrestles with her uniform, her roommate, the constant yelling, and the rifle drills, she begins to find her niche as she shows her talent as a runner.
Being able to properly read wind at long range will quickly separate the wheat from the chaff, especially in competition.

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