pencil lead


Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
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 ?
This makes it an excellent lubricant along with a good material for pencil lead.
The first experiment to isolate graphene was done by using pencil lead, which contains graphite, and a piece of tape, using the tape to pull off layers of graphite to create a material that is a single layer thick - graphene.
The aroma of red fruits is present but not overpowering, intermingling with mineral notes that recall cold ashes and pencil lead. Strong and bold, this blend fills your mouth with the intensity of generous flavors and aromas.
A senior researcher at University of Manchester had been cleaning graphite (pencil lead) by sticking a scotch tape, peeling it off and throwing it way.
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
Barbeira, "Influence of pencil lead hardness on voltammetric response of graphite reinforcement carbon electrodes," Journal of Applied Electrochemistry, vol.
Due to different interactions between an analyte and the common components of a graphite pencil lead, it is possible that electroactive species exhibit different voltammetric behavior on graphite pencil leads of the same hardness but are produced byvarious manufacturers [6].
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.
a pencil lead." Laurel Jockey Christophe Soumillon has described Almanzor as one of the best horses he has ridden and the manner in which he accelerated from first to last to overhaul Found suggests he has the speediest turn of foot in the field.
a horse a pencil lead." Laurel c caJ Soum l Jockey Christophe Soumillon has described Almanzor as one of the best horses he has ridden and the manner in which he accelerated from first to last to overhaul Found suggests he has the speediest turn of foot in the field.
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 0.3mm wide.