请输入您要查询的英文单词:

 

单词 polytrophic
释义

Definition of polytrophic in English:

polytrophic

adjective ˌpɒlɪˈtrəʊfɪkˌpɒlɪˈtrɒfɪk
  • 1Biology. Feeding on several kinds of food; obtaining nutrients in more than one way; specifically (of a parasitic organism) infesting many host species; (of a bee) visiting the flowers of many species.

  • 2Entomology. Of an ovariole: having trophocytes or nurse cells enclosed in the follicle with the oocytes.

  • 3Ecology. Of a lake: rich in nutrients, or a particular category of nutrient.

Origin

Mid 17th century (in an earlier sense). From poly- + -trophic. In sense 1 after Hellenistic Greek πολυτρόϕος supplying food, nutritious, highly nourished.

Definition of polytrophic in US English:

polytrophic

adjective
  • 1Biology. Feeding on several kinds of food; obtaining nutrients in more than one way; specifically (of a parasitic organism) infesting many host species; (of a bee) visiting the flowers of many species.

  • 2Entomology. Of an ovariole: having trophocytes or nurse cells enclosed in the follicle with the oocytes.

  • 3Ecology. Of a lake: rich in nutrients, or a particular category of nutrient.

Origin

Mid 17th century (in an earlier sense). From poly- + -trophic. In sense 1 after Hellenistic Greek πολυτρόϕος supplying food, nutritious, highly nourished.

随便看

 

英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/27 4:15:23