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单词 pneumatocyst
释义

Definition of pneumatocyst in English:

pneumatocyst

noun njʊˈmatə(ʊ)sɪstnjuːˈmatə(ʊ)sɪstˈnjuːmətəsɪst
Botany Zoology
  • Originally: the gas-filled chamber of a pneumatophore. Later more widely: any air-filled sac in an organism, especially in an animal body; (Medicine) a benign intraosseous cyst containing gas or air.

Origin

Mid 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From pneumato- + cyst.

 
 

Definition of pneumatocyst in US English:

pneumatocyst

noun
Botany Zoology
  • Originally: the gas-filled chamber of a pneumatophore. Later more widely: any air-filled sac in an organism, especially in an animal body; (Medicine) a benign intraosseous cyst containing gas or air.

Origin

Mid 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From pneumato- + cyst.

 
 
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更新时间:2025/3/3 20:19:26