doublet

noun

dou·​blet ˈdə-blət 

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

Illustration of doublet

• doublet 1

Examples of doublet in a Sentence

Recent Examples on the Web

As a backdrop, doublets of aventurine glass over mother-of-pearl telegraphed the impression of an enchanting event. —Lily Templeton, Footwear News, 5 May 2025

The gemstones come in pink doublet, red doublet, and mother of pearl. —Enjanae' Taylor, Southern Living, 23 Jan. 2024

Aristocratic men and wealthy merchants started donning more body-conscious looks: short, tight doublets, brightly colored woolen tights, and elaborate hoods with dangling tails. —Ana María Velasco, National Geographic, 17 Jan. 2024

One of these days the guy with a mustache will begin to rage against those who’ve had the temerity to lash out at him with a sabre and slash him like a Tudor doublet. —Paul Muldoon, The New Yorker, 25 Dec. 2023

Word History

Etymology

Middle English, from Anglo-French dublet, from duble

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for doublet

• abet
• asset
• baguette
• banquette
• barbette
• beget
• beset
• brevet
• briquette
• brunet
• brunette
• burette

Kids Definition

doublet

noun

dou·​blet ˈdəb-lət 

1

: a close-fitting jacket worn by men of western Europe chiefly in the 16th century

2

: one of two similar or identical things

Medical Definition

doublet

noun

dou·​blet ˈdəb-lət 

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