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单词 pinacoid
释义

Definition of pinacoid in English:

pinacoid

(also pinakoid)
noun ˈpɪnəkɔɪd
  • In a crystal or crystal structure: a plane or face which intersects one of the crystal axes and is parallel to the other two. Also: a crystal form or solid figure containing two such planes or faces parallel to each other.

adjective ˈpɪnəkɔɪd
  • Of the nature of a pinacoid; parallel to the two axes that it does not intersect.

Origin

Mid 19th century; earliest use found in James Nicol (1810–1879), geologist. From ancient Greek πινακ-, πίναξ pinax + -oid. With the adjective compare earlier pinacoidal and also Portuguese pinacóide.

 
 

Definition of pinacoid in US English:

pinacoid

(also pinakoid)
nounˈpɪnəkɔɪd
  • In a crystal or crystal structure: a plane or face which intersects one of the crystal axes and is parallel to the other two. Also: a crystal form or solid figure containing two such planes or faces parallel to each other.

adjectiveˈpɪnəkɔɪd
  • Of the nature of a pinacoid; parallel to the two axes that it does not intersect.

Origin

Mid 19th century; earliest use found in James Nicol (1810–1879), geologist. From ancient Greek πινακ-, πίναξ pinax + -oid. With the adjective compare earlier pinacoidal and also Portuguese pinacóide.

 
 
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更新时间:2024/12/25 23:27:54