instar

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instar¹

  • /ˈɪnstɑː/ UK
  • /ˈɪnstɑɹ/ US

Where it comes from

From Latin instar (“form, likeness”), which is of obscure origin.

noun instars

  1. Any one of the several stages of postembryonic development which an arthropod undergoes, between molts, before it reaches sexual maturity.
  2. An arthropod at a specified one of these stages of development. In A. orientalis, first and second instars were more susceptible than third instars to H. bacteriophora TF strain, […]
  3. broadly A stage in development. We avoided Tourist Homes, country cousins of Funeral ones, old-fashioned, genteel and showerless, with elaborate dressing tables in depressingly white-and-pink little bedrooms, and photographs of the landlady’s children in all their instars.

instar²

  • /ɪnˈstɑː/ UK
  • /ɪnˈstɑɹ/ US

Rhymes with -ɑː(ɹ)

verb instars · instarring · instarred

  1. archaic, transitive To stud or adorn with stars or other brilliants; to star. Yet mark with shining steps the humbler way; And, as angelic feet instar the sky, Drop the bright sparks along the wilderness.
  2. transitive To make a star of; set as a star.

Translations

Every language

noun arthropod at a specified one of these stages

DeutschLarve

noun stage in the development of arthropods

Españolestadio
中文齡 /龄 líng, 蛻變期 /蜕变期 tuìbiànqī, 蛻期 /蜕期 tuìqī
Françaisstade
DeutschLarvenstadium, Entwicklungsstadium
Ελληνικάστάδιο stádio
Русскийво́зраст vózrast

noun by extension: development stage

日本語齢
DeutschEntwicklungsstadium

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Cite this
MLA

"instar." Wiktionary, via Micwyn, micwyn.com/word/instar. Accessed 6 Nov. 2026.

APA

instar. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/instar

Chicago

"instar." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/instar.

BibTeX
@misc{instar_2026,
  title = {instar},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/instar},
  urldate = {2026-11-06}
}