theta

FREQ #11985

n. 希腊字母的第八字

发音

UK /ˈθiːtə/
CA /ˈθeɪtə/
US /ˈθeɪtə/
CA /ˈθeɪɾə/
US /ˈθeɪɾə/
CA /ˈθitə/
US /ˈθitə/
AU /ˈθæɪtə/
NZ /ˈθæɪtə/
AU /ˈθæɪɾə/
NZ /ˈθæɪɾə/
其它 /ˈθeɪ.ta/
其它 /fei̯˥ tʰaː˩/

词形变化

thetas 复数 thetas

释义与例句

n.
  1. 1.

    The eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.

    西塔

  2. 2.

    The measure of an angle.

    数学
  3. 3.

    Pitch angle; the angle between an aircraft's longitudinal axis and the horizontal plane.

    航空 商务 工程 引申义
  4. 4.

    The sensitivity of the value of a derivative with respect to time; the "time decay".

    商务 金融
  5. 5.

    Designating a level of brain activity as measured by electroencephalography having a frequency of between four and seven cycles per second (associated with drowsiness in adults).

    生物
  6. 6.

    The voiceless dental fricative represented by θ.

    语言学

词汇关系

名词

上位词 1

整体词 1

相关短语

词源

Borrowed from Ancient Greek θῆτα (thêta).

来源:wiktionary