Ir
معنی فارسی
مخفف ايران ايراني ايرلند
معنی کامل و مثالها
● مخفف:
● ایران
● ایرانی
● ایرلند
● (شیمی) ایریدیم
● ایرلندی
ریشه و کاربرد
ریشه
Early 19th century. From the Latin 'Iris', meaning 'rainbow', due to the many colors of its salts.
مثال
- Ir is the symbol for the element iridium.
- The atomic number of Ir is 77.
- Ir is one of the least abundant elements in the Earth's crust.
تعریف انگلیسی
noun
- a board of the British government that administers and collects major direct taxes
noun
- a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium