名詞 graphite:

1. used as a lubricant and as a moderator in nuclear reactors
   同義詞：black lead, plumbago

1. A substance, such as water or graphite, that is used in a nuclear reactor to decrease the speed of fast neutrons and increase the likelihood of fission.
   慢化劑一種物質(zhì)，如水或石墨在核反應(yīng)堆中用來減緩中子運(yùn)動(dòng)速度和提高裂變可能性的物質(zhì)
2. Graphite is used in making lead pencils.
   石墨常被用來做成鉛筆。
3. Graphite is a soft black substance.
   石墨是一種軟而黑的物質(zhì)。

graph.ite

n.（名詞）
A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles.Also called black lead ,plumbago
石墨：一種質(zhì)軟、鋼灰黑色、有金屬光澤和滑膩感的碳的六方晶形的同素異構(gòu)體，用于鉛筆、滑潤劑、顏料和涂層，可被制成多種形狀，如模子、磚塊、電極、坩堝和火箭發(fā)動(dòng)機(jī)噴管也作 black lead,plumbago

來源：
Greek graphein [to write] * see gerbh-
希臘語 graphein [寫] *參見 gerbh-
-ite
-ite

【引伸】
graphit.ic