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graver    音标拼音: [gr'evɚ]
n. 雕刻师,雕刻刀

雕刻师,雕刻刀

graver
n 1: a tool used by an engraver [synonym: {graver}, {graving tool},
{pointel}, {pointrel}]

Grave \Grave\, a. [Compar. {Graver} (gr[=a]v"[~e]r); superl.
{Gravest.}] [F., fr. L. gravis heavy; cf. It. & Sp. grave
heavy, grave. See {Grief.}]
1. Of great weight; heavy; ponderous. [Obs.]
[1913 Webster]

His shield grave and great. --Chapman.
[1913 Webster]

2. Of importance; momentous; weighty; influential; sedate;
serious; -- said of character, relations, etc.; as, grave
deportment, character, influence, etc.
[1913 Webster]

Most potent, grave, and reverend seigniors. --Shak.
[1913 Webster]

A grave and prudent law, full of moral equity.
--Milton.
[1913 Webster]

3. Not light or gay; solemn; sober; plain; as, a grave color;
a grave face.
[1913 Webster]

4. (Mus.)
(a) Not acute or sharp; low; deep; -- said of sound; as, a
grave note or key.
[1913 Webster]

The thicker the cord or string, the more grave
is the note or tone. --Moore
(Encyc. of
Music).
(b) Slow and solemn in movement.
[1913 Webster]

{Grave accent}. (Pron.) See the Note under {Accent}, n., 2.

Syn: Solemn; sober; serious; sage; staid; demure; thoughtful;
sedate; weighty; momentous; important.

Usage: {Grave}, {Sober}, {Serious}, {Solemn.} Sober supposes
the absence of all exhilaration of spirits, and is
opposed to gay or flighty; as, sober thought. Serious
implies considerateness or reflection, and is opposed
to jocose or sportive; as, serious and important
concerns. Grave denotes a state of mind, appearance,
etc., which results from the pressure of weighty
interests, and is opposed to hilarity of feeling or
vivacity of manner; as, a qrave remark; qrave attire.
Solemn is applied to a case in which gravity is
carried to its highest point; as, a solemn admonition;
a solemn promise.
[1913 Webster]


Graver \Graver\, n.
1. One who graves; an engraver or a sculptor; one whose
occupation is te cut letters or figures in stone or other
hard material.
[1913 Webster]

2. An ergraving or cutting tool; a burin.
[1913 Webster]


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  • Osmium - Wikipedia
    Osmium (from Ancient Greek ὀσμή (osmḗ) 'smell') is a chemical element; it has symbol Os and atomic number 76 It is a hard, brittle, bluish-white transition metal in the platinum group Osmium has the highest density of any stable element and one of the lowest abundances in the Earth's crust
  • Osmium | Definition, Properties, Uses, Facts | Britannica
    Osmium has a low crustal abundance of about 0 001 part per million Though rare, osmium is found in native alloys with other platinum metals: in siserskite (up to 80 percent), in iridosmine, in aurosmiridium (25 percent), and in slight amounts in native platinum
  • Osmium - Element information, properties and uses | Periodic Table
    Osmium occurs uncombined in nature and also in the mineral osmiridium (an alloy with iridium) Most osmium is obtained commercially from the wastes of nickel refining
  • What Is Osmium Used For? Rare Metal, Many Uses
    Osmium shows up in fountain pen tips, microscopy labs, and even cancer research Here’s how this rare, dense metal gets used across science and industry
  • Osmium: The Rarest Precious Metal Explained—Why Collectors And . . .
    Osmium is a dense, bluish-white metal classified as a transition element and belongs to the platinum group I encounter osmium in natural platinum ores while mining for precious metals in regions like Russia’s Ural Mountains and South Africa’s Bushveld Complex
  • Osmium: Element Properties and Uses - samaterials. com
    Osmium (Os) is a dense, hard, bluish-white metal with the highest density of any element It is used in alloys, electrical contacts, and fountain pen tips It is highly corrosion-resistant but toxic in oxide form
  • Osmium Facts - Element 76 Symbol Os - Science Notes and Projects
    Osmium Uses Osmium’s primary applications leverage its hardness and resistance to wear It finds use in alloys for fountain pen nibs, electrical contacts, phonograph styluses, and other components where durability is crucial 187 Os is useful in dating geological formations and meteorites
  • Osmium - New World Encyclopedia
    Osmium (chemical symbol Os, atomic number 76) is a hard, brittle, blue-gray or blue-black transition metal in the platinum family and is found as an alloy in platinum ore
  • Osmium - Minerals Education Coalition
    Osmium is found in its pure form, and natural alloy with iridium known as osmiridium and iridosmine Osmium is concentrated in layered mafic igneous bodies with other platinum-group metals
  • Osmium Facts, Symbol, Discovery, Properties, Uses
    Osmium (pronounced as OZ-mee-em) belongs to the family of transition metals and denoted by the chemical symbol Os It has thirty-four isotopes out of which seven occur naturally with osmium-92 having an abundance of 40 78% in the earth’s crust [1, 3]





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