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internode Line breaks: inter|node
Pronunciation: /ˈɪntənəʊd/

Definition of internode in English:


1A slender part between two nodes or joints, in particular:
Example sentences
  • In type II divergence, the evolutionary rate for a specific site is accelerated somewhere along the basal internode that connects the two subfamilies.
  • The branching pattern observed in Figure 1 shows that the early eutherian radiation was rather rapid (note the short basal internodes coupled with long terminal branches).
  • The articulated colonies of Crisia fragment into their constituent internodes after decay of the elastic joints.
1.1 Botany A part of a plant stem between two of the nodes from which leaves emerge.
Example sentences
  • The shoot, especially in the upper part, was elongated in OB plants with longer internodes but the same leaf number.
  • The upright clump of leaves observed on 11 December 1987 was a vestige of the future upright, leafy stem with very short internodes between the leaves.
  • Buds in the axils of the bracts expanded and repeated the pattern; each had a prophyll that remained in the bract axil, a long internode, then a succession of leaves with shorter internodes and a terminal spikelet.
1.2 Anatomy A stretch of a nerve cell axon sheathed in myelin, between two nodes of Ranvier.
Example sentences
  • Shortening the t-stem axon to two internodes did not have any effect on ARP, but it slightly increased LCI.


Mid 17th century: from Latin internodium, from inter- 'between' + nodus 'knot'.

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