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also Ch'in  (chĭn)
A Chinese dynasty (221-206 bc) that established the first centralized imperial government in China. Much of the Great Wall of China was built during the rule of this dynasty.

[Mandarin Qín, name of an ancient Chinese state (originally the name of a fief located in what is now Gansu province, from which the state grew), Qin dynasty, from Middle Chinese tsɦin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a Chinese stringed instrument related to the zither
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



n., v. chinned, chin•ning. n.
1. the lower extremity of the face, below the mouth.
2. the prominence of the lower jaw.
3. to grasp an overhead bar and pull (oneself) upward until the chin is above or level with the bar: done as an exercise.
4. to raise or hold to the chin, as a violin.
5. Slang. to chatter.
1. keep one's chin up, to maintain one's courage and optimism during a period of adversity.
2. take it on the chin, Informal.
a. to be defeated thoroughly.
b. to endure punishment stoically.
[before 1000; Middle English; Old English cin(n), c. Old Saxon kinni, Old High German chinni, Old Norse kinn, Gothic kinnus cheek; akin to Latin gena, Greek génus chin, gnáthos jaw, Skt hánus jaw]
chin′less, adj.


or Qin


a dynasty in ancient China, 221–206 B.C., marked by the emergence of a unified empire and the construction of much of the Great Wall of China.


or Chin,

1. China.
2. Chinese.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Qin - the Chinese dynasty (from 246 BC to 206 BC) that established the first centralized imperial government and built much of the Great Wall
dynasty - a sequence of powerful leaders in the same family
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The Dlx5 and Foxg1 transcription factors, linked via miRNA-9 and -200, are required for the development of the olfactory and GnRH system.
A new study shows how the Foxg1 gene plays a fundamental role in piloting the differentiation of stem cells, guaranteeing that neurons and glial cells are produced in the right quantity and at the right moment.
Gunumuzde, bu bozuklugun genetik ozelligi onaylanmistir: en sik nedenler MECP2, CDKL5 ya da FOXG1 genindeki mutasyonlardir.
Tambien se encuentran relacionados algunos de los genes ya mencionados como el Lhx2, FoxG1, Emx2 y Pax6, expresados a traves de las paredes laterales del telencefalo; los dos primeros genes se orientan hacia la linea media dorsal, y los restantes, hacia la ventral, limitando la expansion celular (12).
Using Sox2 and FoxG1 simultaneously [145], neural progenitor cells were obtained that differentiated into Tuj1 and MAP2 positive neurons and GFAP-positive astrocytes.
Se ha sugerido que la inactivacion del cromosoma X puede generar variantes clinicas de las mutaciones del MECP2, ademas de que un grupo de pacientes afectadas tienen mutaciones en otros genes como el CDKL5 variante con convulsiones tempranas y el FOXG1 variante de aparicion neonatal presentes en el Rett atipico en el que las mutaciones del gen MCP2 se consiguen en el 50-70% de los casos y el resto en estos otros genes.
Genes like PRSS12 (protease serine 12, log2 FC = -0.167 and FDR = 0.003) and FOXG1 (forkhead box G1, log2 FC = -0.156 and FDR = 0.045) were significantly down-regulated in DCM samples in comparison with normal samples.
Interestingly, a number of important oncogenes and tumor suppressor genes are found such as FOXG1 (Figure 4(d)).