doublet
Noun: 1. A man's close-fitting jacket: A short, snug-fitting jacket, often sleeveless or with detachable sleeves, worn by men in Europe from the 15th to the 17th century. 2. One of a pair; a duplicate: One of two similar or identical things that form a pair. 3. (Linguistics) A word derived from the same source as another but having a different form: One of two words in a language that have developed from the same etymological root but have different phonological forms and sometimes meanings. 4. (Dice games) A throw of two dice showing the same number on both: A pair, especially in the game of craps. 5. (Optics) A combination of two simple lenses: A compound lens made of two lenses, often designed to correct chromatic aberration. 6. (Physics) A pair of associated lines in a spectrum or a pair of electrons: Two closely related spectral lines or a pair of electrons with opposite spins.
- Historical Garment:
- The nobleman's velvet doublet was embroidered with gold thread.
- Portraits from the Renaissance often show men wearing a doublet and hose.
- One of a Pair:
- This vase is a doublet; its matching pair is in another museum.
- Linguistics:
- The words "shirt" and "skirt" are doublets, both originating from the same Old Norse root.
- "Regal" and "royal" are doublets that entered English via different paths from Latin.
- Dice:
- He rolled a doublet of sixes and won the game.
- Optics:
- The microscope's objective uses a cemented doublet for clearer images.
- "False doublet" (Linguistics): A pair of words that appear to be etymologically related but are not.
- "Island" and "isle" are a false doublet; "island" comes from Old English, while "isle" comes from Latin.
- "Spectral doublet" (Physics): A pair of closely spaced spectral lines resulting from spin-orbit coupling.
- The sodium D-lines are a famous spectral doublet.
- Double (adj/n/v): Having two parts; twice as much; to make twice as much.
- Doubleness (n): The state of being double.
- Doubleton (n): In card games, a holding of only two cards in a suit.
- Jacket, jerkin (for the garment).
- Pair, couple, duo, twosome.
- Duplicate, counterpart, match.
- Cognate (specifically in linguistics for etymologically related words).
- Doublet and hose: The standard male attire of the Renaissance period, consisting of the close-fitting jacket (doublet) and tight breeches (hose).
- To roll a doublet: In dice games, to throw two identical numbers.
- A doublet of aces: In dice or cards, a pair of aces, often considered a very lucky or powerful throw/hand.
- a man's close-fitting jacket; worn during the Renaissance