n. (Chem.) A white amorphous or granular substance which consists principally of potassium carbonate, and has a strong alkaline reaction. It is obtained by lixiviating wood ashes, and evaporating the lye, and has been an important source of potassium compounds. It is used in making soap, glass, etc. [ 1913 Webster ]
{ } n. (Min.) A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic. [ 1913 Webster ]
{ } n. (Min.) A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic. [ 1913 Webster ]
[amimechouchouuo] (n) pearlscale butterflyfish (Chaetodon xanthurus, Western Pacific species found from Indonesia and the Philippines north to the Ryukyu Islands); Philippines chevron butterflyfish; orange butterflyfish; netted butterflyfish; yellow-tailed butterflyfish [Add to Longdo]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย