n. [ From Dr. Babbington. ] (Min.) A mineral occurring in triclinic crystals approaching pyroxene in angle, and of a greenish black color. It is a silicate of iron, manganese, and lime. [ 1913 Webster ]
n. (Min.) A granular mineral of a grayish or yellowish color, found in Bolton, Massachusetts. It is a silicate of magnesium, belonging to the chrysolite family. [ 1913 Webster ]
n. [ So named after J. G. Ralston of Norristown, Penn. ] (Min.) A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals. [ 1913 Webster ]
n. [ After Dr. W. H. Wollaston, an English chemist, who died in 1828. ] (Min.) A silicate of lime of a white to gray, red, or yellow color, occurring generally in cleavable masses, rarely in tabular crystals; tabular spar. [ 1913 Webster ]
You know the meaning of this word? click [add this word] to add this word to our database with its meaning, to impart your knowledge for the general benefit
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
