Triassic
adjective
geologyspecializeduk/traɪˈæs.ɪk/us/traɪˈæs.ɪk/from or referring to theperiodoftimebetween around 245 and 208 millionyearsago, in whichdinosaurs(=largereptilesthat nolongerexist)firstappeared:
三叠纪的，三叠系的（约2.45-2.08亿年前之间的地质年代，其间恐龙开始出现）Thenestsdateback 220 millionyearsto the triassicperiod.
Triassicplants三叠系植物
- The Triassicworldwas different from today'sworld.
- Theplantsat least onlyshowedsignificantchangeswith the rifting of theplatesinlaterTriassictimes.
- Triassicstrataunder the Cumberland Plain arethickerthan in thewest.
- Aprimitivedinosaurskeletonfrom Upper TriassicstratawasdiscoveredinnorthwesternArgentina.
Geology - general words
- Anthropocene
- aquifer
- auriferous
- biozone
- Cambrian
- carboniferous
- cementation
- Cretaceous
- Holocene
- hoodoo
- interbed
- Jurassic
- karst
- plate tectonics
- post-depositional
- pyroclastic
- Quaternary
- sedimentation
- tectonic
- the rock cycle
You can also find related words, phrases, and synonyms in the topics:
Prehistory
Specific periods of time
Triassic
noun[S]
geologyspecializeduk/traɪˈæs.ɪk/us/traɪˈæs.ɪk/the Triassic
theTriassicperiod(= between around 245 and 208 millionyearsago):
The Triassic was the first of the three geologicperiodsthat made up the Mesozoic.
For about 150 millionyears,beginningin the Triassic,mammalsweresmallandlargelyinconspicuous.
- The Triassicbeganmore than 190 millionyearsago.
- At thebeginningof the Triassic, thedominantlandanimalswere the mammal-likereptiles.
- By the end of the Triassic, thedinosaurswere thedominantherbivoresworldwide.
Geology - general words
- Anthropocene
- aquifer
- auriferous
- biozone
- Cambrian
- carboniferous
- cementation
- Cretaceous
- Holocene
- hoodoo
- interbed
- Jurassic
- karst
- plate tectonics
- post-depositional
- pyroclastic
- Quaternary
- sedimentation
- tectonic
- the rock cycle
You can also find related words, phrases, and synonyms in the topics:
Prehistory
Specific periods of time