pencil lead

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Noun1.Pencil lead - mixture of graphite with clay in different degrees of hardnesspencil lead - mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil
lead pencil - pencil that has graphite as the marking substance
black lead, graphite, plumbago - used as a lubricant and as a moderator in nuclear reactors
References in periodicals archive ?
Tenders are invited for Supply Of Stationery Items Ball Point Pen,Ball Point Pen,Micropoint pen,Pen Glitter,Gel Pen,DF pens,Refills,Pilot Hitec point pen,OHP marker,Highlighter,Correction Pen,Whitener Pen, White Board Marker Pen (Blue,Black,Red,Green),Multimark 1523 Superfine,Sketch pen,Mechanical Pencil Lead Pen,Pilot Hitec Point Ink,etc Eligibility Criteria : -Firm/bidders blacklisted at any stage or by any
In the first case, the corneal injury remained lamellar at the stromal level; in the second case, a pencil perforated the cornea and contacted the iris; and in the third case, pencil lead perforated both the cornea and iris, reaching the vitreous through the zonules.
In addition to its best-selling roller ball pens, Pentel Co offers products such as markers and highlighters and pencil lead refills, all of which it led.
Details including hairs and blades of grass are drawn individually using pencil lead just 0.
7mm HB lead, the BIC(r) mechanical pencil lead lasts two times longer than a normal graphite pencil, comes with three leads of 90mm and is easy to use and erase.
The 30-year teaching veteran finds herself tracking staples and making sure every pencil and pencil lead is accounted for.
Two researchers at Manchester University - Dutch national Andre Geim and Russian Konstantin Novoselov's discovery - earned the Nobel Prize in physics in 2010 for discovering it, using only a piece of pencil lead and tape.
MIT postdoc Katherine Mirica has designed a new type of pencil lead in which graphite is replaced with a compressed powder of carbon nanotubes.
Rather than forming as individual sheets, graphene forms as layer after layer within graphite, the stuff of pencil lead.
Pentel P205), which is composed of a fixed (non-sliding) steel collet and the pencil lead.
snapping your pencil lead under extreme stress (8 5)
A thick, #2 two-millimeter (mm) pencil lead provides for long lasting write-out and never needs sharpening.