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.

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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