Instar definition

ĭn-stär
instar instar instars
See word origin
Frequency:
To stud with or as if with stars.
verb
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A stage of an insect or other arthropod between one molt and the next.
noun
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Any of the various stages of an insect or other arthropod between molts.
noun
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To stud or adorn as with stars.
verb
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To place as a star.
verb
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A stage of an insect or other arthropod between one molt and the next.
noun
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Any one of the several stages of postembryonic development which an arthropod undergoes, between molts, before it reaches sexual maturity.
noun
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An arthropod at a specified one of these stages of development.
noun
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(by extension) A stage in development.
noun
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(archaic) To stud with stars.
verb
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Other Word Forms

Noun

Singular:
instar
Plural:
instars

Origin of instar

  • New Latin īnstar from Latin image, form

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin instar (“form, likeness”).

    From Wiktionary

  • in- +‎ star

    From Wiktionary

Instar Sentence Examples

  • Young resembling parents, but penultimate instar passive and enclosed in a filmy pellicle.

  • The new instar - or temporary form - is often very different from the old one, and this is the essential fact of metamorphosis.

  • But examples are not wanting of a more or less complete resting habit during the latest nymphal instar.

  • Young animals always unlike parents, the wing-rudiments developing beneath the larval cuticle and only appearing in a penultimate pupal instar, which takes no food and is usually passive.

  • Pupa incompletely obtect or free, and enclosed in the hardened cuticle of the last larval instar (puparium).

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Also Mentioned In

Words near instar in the Dictionary