1.1Either of two words of the same historical source, but with two different stages of entry into the language and different resultant meanings, for example fashion and faction, cloak and clock.
- Carroll called the given words doublets, the interposed words links, and the complete series a chain.
- For those not etymologically challenged, the word canker is a doublet.
- Etymologically speaking, a doublet is a pair of words that have the same origin but different spellings and often different meanings.
1.3 Physics & Chemistry A pair of associated lines close together in a spectrum or electrophoretic gel.
- These studies have led to the findings that bundles of several doublet microtubules can propagate bending waves, and a pair of outer doublets can undergo cyclical association/dissociation interaction.
- Whereas the effect of the redshift is to multiply the wavelength of every line in the spectrum by the name number, 1 + z, any variation in only changes the relative separation between the lines in the doublet.
- The mechanism by which the oscillatory movements produced by these two opposing pairs of doublets are coupled with each other remains to be elucidated.
1.4A combination of two simple lenses.
- The original lens cell is an air spaced semi-apochromatic doublet, which uses three adjustment screws to collimate the lenses in the machined aluminum cell.
2A man’s short close-fitting padded jacket, commonly worn from the 14th to the 17th century.
- Indicators of this are the short doublet and very prominent codpiece, the round-toed shoes and the knee-breeches.
- It represents a bagpiper wearing a short doublet, full, knee-length breeches with a prominent codpiece, shoes with narrow rounded toes, and a hemispherical, skullcap-like hat with a very narrow brim.
- The minstrels, bedecked in red doublets and white hose, played upbeat tunes to which gardens of brightly clad nobles danced merrily.
Middle English: from Old French, 'something folded', also denoting a fur-lined coat, from double 'double'.
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