black lead

Definitions

  • WordNet 3.6
    • n black lead used as a lubricant and as a moderator in nuclear reactors
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Webster's Revised Unabridged Dictionary
    • Black lead graphite or plumbago; -- so called from its leadlike appearance and streak.
    • Black lead Plumbago; graphite. It leaves a blackish mark somewhat like lead. See Graphite.
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Usage

In literature:

When graphite was introduced, its mark was so black that people called it black lead, and the name has stuck.
"Makers of Many Things" by Eva March Tappan
The opening was black, deserted, like the mouth of a deep tunnel, leading to hell.
"Astounding Stories of Super-Science February 1930" by Various
Not half a mile away stood the forest, black and vast, the trail leading straight into it.
"The Backwoodsmen" by Charles G. D. Roberts
That was why Black Hawk had been leading his people back to Saukenuk year after year.
"Shaman" by Robert Shea
A mixture of black lead and whites of eggs well beaten together, will answer the same purpose.
"The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches," by Mary Eaton
When the barrier rose Jockey Merritt booted the spurs home and tried to hurl the big black into the lead.
"Old Man Curry" by Charles E. (Charles Emmett) Van Loan
Morgan, covered by Black Dog, with Teach, de Lussan, and L'Ollonois, was in the lead.
"Sir Henry Morgan, Buccaneer" by Cyrus Townsend Brady
A flight of black marble steps leads up to Henry VII's Chapel.
"John and Betty's History Visit" by Margaret Williamson
We've been tryin' for years to catch the black stallion that leads 'em.
"Hidden Water" by Dane Coolidge
Each "cell" has a hard, black rubber top through which two posts of lead project.
"The Automobile Storage Battery" by O. A. Witte
Now that is exactly what is done in the preparation of the black-lead for lead-pencils.
"The Story of a Tinder-box" by Charles Meymott Tidy
The rifles spoke, and Maget and the professor, in their black suits, protected by the lead-cloth and helmets from the rays, advanced.
"Astounding Stories of Super-Science, June, 1930" by Various
This species is similar to the lead-colored Bush-Tit but has the ear coverts glossy black.
"The Bird Book" by Chester A. Reed
The leading varieties noted are the mule and black tail, there being also a few white tail.
"The Beauties of the State of Washington" by Harry F. Giles
The rest of the road was along a narrow ridge leading to the foot of the great black cone.
"Harper's New Monthly Magazine, Vol. 2, No. 8, January, 1851" by Various
Whether this tale be true or not, Ulysses did go, leading twelve black ships, with high beaks painted red at prow and stern.
"Tales of Troy and Greece" by Andrew Lang
Sullenly he sat with his head in his hands, and life seemed to stretch before him, leading to a black chasm.
"The Mountain Girl" by Payne Erskine
Provide a black-lead pencil that will not mark without pressing hard on the paper.
"Endless Amusement" by Unknown
The last stage in the coal series is a black substance which we know as black lead, or graphite.
"Earth and Sky Every Child Should Know" by Julia Ellen Rogers
Under the stress of these thoughts her heavy black garb became insupportable, and her head-dress weighed upon her like lead.
"Peasant Tales of Russia" by V.I. Nemirovitch-Dantchenko
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In poetry:

From many a black Gethsemane,
He leads my bleeding feet
To where I hear the Morning Sea
Round shining spaces beat!
"Dungog" by Henry Kendall
To divine stars in a black tower
The kids through shadows to lead…
That yesterday would be a legend,
That each and every day be mad!
"Prayer" by Marina Ivanova Tsvetaeva
He is out of bounds now. He rejoices in man's lovely,
peculiar power to choose life and die-
when he leads his black soldiers to death,
he cannot bend his back.
"For the Union Dead" by Robert Lowell
A curse upon each king who leads his state,
No matter what his plea, to this foul game,
And may it end his wicked dynasty,
And may he die in exile and black shame.
"A Curse For Kings" by Vachel Lindsay
Wi' selfish cunning where few saw,
The hypocrites were wurst ava'.
Satan, you are still on ye'r watch,
Ye auld black rogue, ye strive to catch,
And lead the human race astray,
But ye'll be catch'd yoursel' some day.
"Address To Satan" by Susannah Hawkins
But at length the wild tumult seems pacified,
And blackly amid the white swell
A gaping chasm its jaws opens wide,
As if leading down to the depths of hell:
And the howling billows are seen by each eye
Down the whirling funnel all madly to fly.
"The Driver" by Friedrich von Schiller

In news:

One of the world's leading cyber security experts says information from a hacking incident like the one in South Carolina is usually sold quickly on the Internet black market .
Angry Birds, ' Black Swan ' Lead 2011?s Most-Searched Halloween Costumes.
One of the world's leading cyber security experts says information from a hacking incident like the one in South Carolina is usually sold quickly on the Internet black market.
Last week, two black men filed suit, alleging that they faced discrimination when applying for the lead role on ABC's "The Bachelor".
Ebony has been the leading black lifestyle publication for 60 years.
ORONO, Maine (AP) — Xavier Pollard scored 14 points, leading six Maine players in double figures as the Black Bears overpowered Fisher College, an NAIA team, 97-42 Thursday night.
Black Violin "A- Flat " Oct 22, 2012 By Oretha Winston, Lead Editor.
The insane blitzkrieg of distasteful political attack ads we endure in these weeks leading up to the presidential election are about as welcome as a swarm of black gnats at a Fourth of July picnic.
CLEVELAND (AP) — Congresswoman Marcia Fudge of Ohio has been elected to lead the Congressional Black Caucus.
INTERVIEWS Ab-Soul: Black Hippy's Heady Energy Force Leads by Listening.
And that engagement is likely to lead to Black Friday success, says a new report.
Cathleen Black blamed "outside forces" for her inability to adequately lead the New York City public school district and her abrupt resignation as chancellor Thursday after a little more than three months.
Nicole Ananian, general manager, and Al Quiroz, executive chef, of the Black Cow are looking to lead the restaurant to success after it was recently reopened.
(AP) — The Grammy Awards celebrated the diversity of music as six different artists tied for lead nominee — Kanye West, Jay -Z, Frank Ocean, Dan Auerbach of The Black Keys, Mumford & Sons and fun.
Stocks soar on Black Friday as tech companies lead the way .
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In science:

For initial data with trK =0 this condition leads to maximal slicing, but ∂t trK =0 is a gauge choice that can be made in general, even if trK 6= 0, as is the case for the constant time slices of the black hole in EF coordinates.
Simple excision of a black hole in 3+1 numerical relativity
We see that the increase of the total mass with increasing P leads to a decrease in the value of I1 at the black hole horizon (Figure 9 a,b).
Local and global properties of conformally flat initial data for black hole collisions
Vacuum data representing strong gravitational waves could, due to nonlinearities, lead to creation of black holes with singularities inside.
Radiative spacetimes
This leads to static vacuum solutions with an arbitrary finite number, or even an infinite number, of black holes in static equilibrium.
Cheeger-Gromov Theory and Applications to General Relativity
More specifically, we find that the CMB, combined with the high normalization leads to a prefered region which is marginally consistent with the constraints given by high redshift supernovae (overplotted black lines in Fig. 3).
Cosmological parameters estimation in the Quintessence Paradigm
This purely string duality can in principle be realized as a duality between the gauge theories and gravity and this leads to the already mentioned parallels between the confinement of quarks inside hadrons and keeping matter beyond the horizon of black holes.
String Theory or Field Theory?
In GR the situation is markedly different. A concentration of more than one Schwarzschild mass in a region of radius less than the Schwarzschild radius will lead to a black hole whose behaviour away from the stationary state usually cannot be well described by finitely many degrees of freedom.
Close encounters of black holes
However, we note that Miller & Hamilton (2002) have recently suggested that four-body interactions can lead to black hole formation in globular clusters.
Optical Counterparts of X-Ray Point Sources Observed by CHANDRA in NGC5128: 20 New Globular Cluster X-Ray Sources
Instead of practising black magic, however, we would like to present one more calculation that will lead to a manifestly finite and well-defined expression for H (W, ¯W ).
Low-energy dynamics in N = 2 super QED: Two-loop approximation
The pressing question which arises is whether and how these random walk behaviors occurring for black holes can be understood directly from the microscopic physics leading to the integer-valuedness of the BH-entropy (1) in the first place.
Black Holes, Space-Filling Chains and Random Walks
Also note that sometimes saturation leads to wrap-around or reflection in the va lue from the CCD and turns a saturated positive (black) region negative (white) (e.g. the star in the lower-right quadrant).
Rates and Progenitors of Type Ia Supernovae
Type Ia supernovae (SNe Ia) are generally accepted to result from the thermonuclear burning of a white dwarf in a binary system, whereas all the other types of supernovae are believed to be produced by the collapse of the stellar core, an event which leads to the formation of a neutron star or black hole.
Rates and Progenitors of Type Ia Supernovae
While this leads to similar results in isotropic models , except that the geometrical meaning of the sign remains unclear, there are differences in the black hole interior .
Quantum Riemannian Geometry and Black Holes
Irrespective of which outcome inhomogeneous models will show us, one can already see special features of quantum geometry leading to a new paradigm about black hole evaporation.
Quantum Riemannian Geometry and Black Holes
Higher dimensional multi-parameter rotating black holes are also interesting to lead the deeper understanding of the black hole thermodynamics.
Generalized Area Law under Multi-parameter Rotating Black Hole Spacetime
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