(n) a gradient in concentration of a solute as a function of distance through a solution, Example: the movement of a solute down its concentration gradient is called diffusion
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ Cf. F. concentration. ] 1. The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration. [ 1913 Webster ]
Concentration of the lunar beams. Boyle. [ 1913 Webster ]
Intense concetration of thought. Sir J. Herschel. [ 1913 Webster ]
2. The act or process of reducing the volume of a liquid, as by evaporation. [ 1913 Webster ]
The acid acquires a higher degree of concentration. Knight. [ 1913 Webster ]
3. (Metal.) The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water. [ 1913 Webster ]
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
