doublet

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noun dou·blet \ ˈdəb-lət \

Definition of doublet

1 :a man's close-fitting jacket worn in Europe especially during the Renaissance
2 :something consisting of two identical or similar parts: such as
a :a lens consisting of two components; especially :a handheld magnifier consisting of two lenses in a metal cylinder
b :a spectrum line having two close components
c :a domino with the same number of spots on each end
3 :a set of two identical or similar things: such as
a :two thrown dice with the same number of spots on the upper face
b :one of nine pairs of microtubules found in cilia and flagella
4 :one of a pair; specifically :one of two or more words (such as guard and ward) in the same language derived by different routes of transmission from the same source

Recent Examples of doublet from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'doublet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of doublet

Origin and Etymology of doublet

Middle English, from Anglo-French dublet, from duble


DOUBLET Defined for Kids

doublet

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noun dou·blet \ ˈdə-blət \

Definition of doublet for Students

:a close-fitting jacket worn by men in Europe especially in the 16th century

Medical Dictionary

doublet

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noun dou·blet \ ˈdəb-lət \

medical Definition of doublet

1 :something consisting of two identical or similar parts: as
a :a lens consisting of two components
b :a spectrum line having two close components
2 :a set of two identical or similar things; especially :one of nine pairs of microtubules found in cilia and flagella

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