| 单词 | pycnometer | 
| 释义 | Definition of pycnometer in English:pycnometer(also pyknometer) noun pɪkˈnɒmɪtə 
 OriginMid 19th century; earliest use found in John Thudichum (1829–1901), physician and chemist. From pycno- + -meter. Definition of pycnometer in US English:pycnometer(also pyknometer) nounpɪkˈnɒmɪtə 
 OriginMid 19th century; earliest use found in John Thudichum (1829–1901), physician and chemist. From pycno- + -meter.  | 
	
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