Word · Frequency #11004
carboniferous
石炭纪
核心释义
the Carboniferous, a geological period from 345 to 280 million years ago
- 1.
石炭纪；石炭层；含碳或煤的
n. from 345 million to 280 million years ago；a. of or relating to the Carboniferous geologic era
石炭层
用法In use
The cliffs here are made of carboniferous limestone.
用法提示：carboniferous 在此为形容词，作定语修饰 limestone，表示“石炭纪的”。
This fossil fern is from a carboniferous forest.
用法提示：carboniferous 在此为形容词，作定语修饰 forest，表示“石炭纪的”。
They found carboniferous coal deposits beneath the valley.
用法提示：carboniferous 在此为形容词，作定语修饰 coal deposits，表示“石炭纪的”。
the Carboniferous
指地质年代时，名词形式通常带定冠词 the，且首字母大写。
The Carboniferous is known for its extensive coal deposits.
石炭纪以其广阔的煤层而闻名。
Carboniferous + noun
作形容词时指“石炭纪的”；小写 carboniferous 才指“含碳或煤的”。
相关词与表达Connections
搭配Collocations
- the Carboniferous
- 石炭纪
- The Carboniferous is famous for its extensive swamp forests.石炭纪以其广阔的沼泽森林而闻名。
- Carboniferous period
- 石炭纪时期
- Many coal deposits were formed during the Carboniferous period.许多煤床形成于石炭纪时期。
- Carboniferous rocks
- 石炭纪岩石
- The Carboniferous rocks in this region contain many fossils.该地区的石炭纪岩石含有许多化石。
- Carboniferous limestone
- 石炭纪石灰岩
- The gorge is cut through Carboniferous limestone.这道峡谷是在石炭纪石灰岩中切出的。
- late Carboniferous
学习提示Learner notes
记忆技巧Memory Tip
carbon（碳）+iferous（带有）→ 富含碳/煤的地层，即石炭纪。联想：含碳的岩层。
语境与语域Context & Register
语域：formal 常见场景：地质学、古生物学、学术文献 通常用于地质学、古生物学等学术领域，属于正式用语。作名词指石炭纪，作形容词指与石炭纪有关的；日常口语中较少使用。
发音与拼写Pronunciation & Spelling
None of these words is an exact rhyme with carboniferous (/ˌkɑːbəˈnifərəs/): all share the -ferous spelling but differ in stress placement or vowel quality. Coniferous is the nearest lookalike, with stress on the same syllable (-nif-) but /ɪ/ rather than /iː/. Vociferous and cruciferous stress -sif-; odoriferous and fossiliferous stress -rif-/-lif-. Use them only for spelling comparison, not as rhyming targets.
Dictionary facts from ECDICT, WIKTIONARY.