English-Thai Dictionary
pyrites
N ชื่อ ธาตุ ที่ ประกอบด้วย เหล็ก และ กำมะถัน แร่ เหล็ก พวก ซัล ไฟ ด์ pyrite marcasite
Webster's 1913 Dictionary
PYRITES
Py *ri "tes, n. Etym: [L., fr. Gr. Pyre. ] (Min. )
Defn: A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color.
Note: The term was originally applied to the mineral pyrite, or iron pyrites, in allusion to its giving sparks when struck with steel. Arsenical pyrites, arsenopyrite. -- Auriferous pyrites. See under Auriferous. -- Capillary pyrites, millerite. -- Common pyrites, isometric iron disulphide; pyrite. -- Hair pyrites, millerite. -- Iron pyrites. See Pyrite. -- Magnetic pyrites, pyrrhotite. -- Tin pyrites, stannite. -- White iron pyrites, orthorhombic iron disulphide; marcasite. This includes cockscomb pyrites (a variety of marcasite, named in allusion to its form ), spear pyrites, etc. -- Yellow, or Copper, pyrites, the sulphide of copper and iron; chalcopyrite.
Oxford Dictionary
pyrites
pyrites |pʌɪˈrʌɪtiːz |(also iron pyrites; Mineralogy pyrite ) ▶noun [ mass noun ] a shiny yellow mineral consisting of iron disulphide and typically occurring as intersecting cubic crystals. See also copper pyrites. DERIVATIVES pyritic |-ˈrɪtɪk |adjective pyritize (also pyritise ) verb ORIGIN late Middle English (denoting a mineral used for kindling fire ): via Latin from Greek puritēs ‘of fire ’, from pur ‘fire ’.
Sanseido Wisdom Dictionary
pyrites
py ri tes /paɪ (ə )ráɪtiːz /名詞 U 〘鉱 〙1 ＝pyrite .2 白鉄鉱 .3 硫化金属鉱の総称 .
The Wordsmith Dictionary