Definition of Portlandian in English:

Portlandian

adjective pɔːtˈlandɪən

Geology

Of, relating to, or designating the uppermost division of the Jurassic of Europe, in which Portland oolite occurs, sometimes regarded as a stage lying above the Kimmeridgian.

noun pɔːtˈlandɪən

Geology

Mid 19th century; earliest use found in The North British Review. From the name of Portland + -ian, after Portland oolite.

adjectivepɔːtˈlandɪən

Geology

Of, relating to, or designating the uppermost division of the Jurassic of Europe, in which Portland oolite occurs, sometimes regarded as a stage lying above the Kimmeridgian.

nounpɔːtˈlandɪən

Geology

Mid 19th century; earliest use found in The North British Review. From the name of Portland + -ian, after Portland oolite.

词汇	Portlandian
释义	Definition of Portlandian in English: Portlandian adjective pɔːtˈlandɪən Geology Of, relating to, or designating the uppermost division of the Jurassic of Europe, in which Portland oolite occurs, sometimes regarded as a stage lying above the Kimmeridgian. noun pɔːtˈlandɪən Geology The Portlandian stage or series of rocks. Chiefly with the. Origin Mid 19th century; earliest use found in The North British Review. From the name of Portland + -ian, after Portland oolite. Definition of Portlandian in US English: Portlandian adjectivepɔːtˈlandɪən Geology Of, relating to, or designating the uppermost division of the Jurassic of Europe, in which Portland oolite occurs, sometimes regarded as a stage lying above the Kimmeridgian. nounpɔːtˈlandɪən Geology The Portlandian stage or series of rocks. Chiefly with the. Origin Mid 19th century; earliest use found in The North British Review. From the name of Portland + -ian, after Portland oolite.
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