doublet

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doub·let

(dŭb'let),
1. A combination of two lenses designed to correct a chromatic and spheric aberration.
2. Synonym(s): dipole
3. Any sequence of two nucleotides in a polynucleotide strand.
4. A closely spaced pair of peaks or lines in a spectrum.

doub·let

(dŭb'lĕt)
1. A combination of two lenses designed to correct chromatic and spheric aberration.
2. Synonym(s): dipole.
3. Any sequence of two nucleotides in a polynucleotide strand.
4. A closely spaced pair of peaks or lines in a spectrum.
5. Text repeated in a printed document.

doublet

A combination of two lenses usually cemented to each other used to correct chromatic aberration. Typically it consists of a positive crown lens and a negative flint lens. See achromatizing lens; triplet.
References in periodicals archive ?
justifiably concludes, "The presupposition that there was a single original version of most of the Jesus tradition, especially the sayings tradition, is a priori dubious and undermined by the doublet tradition in particular" (136; see 254, 281).
Stewart said that it's difficult to determine if doublets have been previously identified, let alone studied.
Bern Optics also provides secondary assembly of components such as doublets and triplets, multi-element prisms, mounting optics in cells, and other custom assemblies.
The book also uses Froissart doublets to distinguish between genuine and spurious resonances in both noise-free and noise-corrupted time signals.
Finally, I compared the number of expected co-firings of putative cells to the observed number of doublets in the record.
The normal mass of a material body, composed of a large number of such doublet particles, is simply the total number of doublets and hence it is discrete.
He published two books: Yahweh: The Divine Name in The Bible (Wilfrid Laurier University Press, 1975) and The Formation of the Book of Jeremiah: Doublets and Recurring Phrases (Society of Biblical Literature Monograph Series, 2000).
THE doublets and hose were dusted off for the start of the Cardiff Castle Open Air Theatre with a little bit of Shakespeare.
While chemotherapy doublets remain the standard regimen for first-line treatment of stage IIIB and IV NSCLC, there are substantial differences among regions in the doublets most often chosen and whether a targeted agent is concurrently administered," says J.
Petanque was originated from south of France and is played in different configurations: Triplets (Two teams of three players each and each player has two boules), doublets, consists of two teams or two players each and singles, played between two players.
Gemcitabine doublets with cisplatin, oxaliplatin, irinotecan, pemetrexed, capecitabine and docetaxel have been tested.
Tales From The Green Valley (BBC2, Friday) sees men in doublets and women in corsets, struggling to survive on the Welsh borders.