Definition of introrse in English:

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Pronunciation: /ˈinˌtrôrs/


Botany & Zoology
1Turned inward. The opposite of extrorse.
Example sentences
  • Anthers are introrse and fused longitudinally through many papillae, in such a way that they form a cuff around the ovary.
  • Five introrse anthers are united to form a cylinder around the style while the separate filaments are attached to the base of the corolla tubes.
1.1(Of anthers) releasing their pollen toward the center of the flower.
Example sentences
  • The ten stamens are introrse, and when elongate the anthers group in the upper part of the flower.



Example sentences
  • Another object of the present invention is to provide a breaking-line cutting machine for the twist-off bottle cap in which the blade of a cutting set is introrsely curved that provides a swiftly, precisely and safely cutting of the twist-off caps and insures a good quality.
  • It is characterized in the introrsely curved inner edge of the cutting set by which the contact area between cutting set and the bottle cap is enlarged in order to make a precise and neat dashed breaking-line in the cap.


Mid 19th century: from Latin introrsus, from introversus 'turned inward'.

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