请输入您要查询的英文单词:

 

单词 triassic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Tri•as•sic  (trī asik),USA pronunciation [Geol.]
adj. 
  1. noting or pertaining to a period of the Mesozoic Era, occurring from 230 to 190 million years ago and characterized by the advent of dinosaurs and coniferous forests. See table under geologic time.

n. 
    Also, Tri•as(trīəs)USA pronunciation the Triassic Period or System.
    • Greek triás; see triad) + -ic
    • German
    • Trias the three-part series of strata characterizing the period (1835–45

Collins Concise English Dictionary © HarperCollins Publishers::
Triassic /traɪˈæsɪk/ adj
  1. of, denoting, or formed in the first period of the Mesozoic era that lasted for 42 million years and during which reptiles flourished
n
  1. the Triassic, Triasthe Triassic period or rock system
Etymology: 19th Century: from Latin trias triad, with reference to the three subdivisions
随便看

 

英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/7/23 14:09:47