1. qin - Noun
2. Qin - Proper noun
the Chinese dynasty (from 246 BC to 206 BC) that established the first centralized imperial government and built much of the Great Wall
Source: WordNetAfter defeating the Later Qin army in several battles, as well as an army of Northern Wei troops which had crossed to assist the Later Qin, Liu Yu recaptured the vital cities of Chang'an and Luoyang, the former capitals of the Jin Empire. Source: Internet
A disagreement between these two political philosophies came to a head in 223 BC when the Qin state conquered all of China. Source: Internet
A nobleman in the state of Wei accused the Qin state of being "avaricious, perverse, eager for profit, and without sincerity. Source: Internet
A major Qin innovation that lasted until 1912 was reliance upon a trained intellectual elite, the Scholar-official ("Scholar-gentlemen"). Source: Internet
After the states of China were unified by Qin Shi Huang in 221 BC, surnames gradually spread to the lower classes and the difference between xing and shi blurred. Source: Internet
Arrowheads from the Chinese Qin dynasty (around 200 BC) were often constructed with a hard bronze-head, but a softer bronze-tang, combining the alloys to prevent both dulling and breaking during use. Source: Internet