mafic

mafic — 形容詞

  • maficpositive
  • more maficcomparative
  • most maficsuperlative

1. describing minerals or rocks that are often dark because they contain a lot of m

1.形容詞C2
釋義

鎂鐵質的

指富含鎂鐵的深色礦物或岩石

describing minerals or rocks that are often dark because they contain a lot of magnesium and iron

例句

Near the volcano, the mafic lava cooled into a dark rock.

火山附近那股鎂鐵質熔岩冷卻後形成深色岩石。

collocation: mafic lava

Jiwoo held a tray of mafic minerals during the lab.

實驗課上，Jiwoo 拿著一盤鎂鐵質礦物。

collocation: mafic minerals

常見搭配
  • mafic rock
  • mafic lava
  • mafic minerals
  • mafic magma
  • mafic layer
同義詞
  • ferromagnesian

    a very close technical term, especially for minerals rich in iron and magnesium; it sounds more specialized than 'mafic'

  • basaltic

    often used for material like basalt, so it is narrower than the broader group described by 'mafic'

反義詞
  • felsic

    the technical opposite for lighter, silica-rich rock, magma, or minerals

文法句型

mafic + rock / lava / minerals

be mafic

describe [sample] as mafic

用法筆記

Mostly used in geology before nouns such as rock, lava, magma, and minerals. It often appears when geologists contrast a darker, magnesium- and iron-rich sample with felsic material.

常見錯誤

The stone is mafic because it looks dark.
Geologists call the stone mafic because it is rich in magnesium and iron.
The word is about composition, not dark color by itself.
This mafic broke easily.
This mafic rock broke easily.
'mafic' is an adjective, so it usually needs a noun such as 'rock' or 'lava'.

常見搭配

名詞搭配

常用片語

  • mafic rock
  • mafic lava
  • mafic minerals