doublet


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Related to doublet: doublet antenna, doublet flow

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 ?
belongs to the electron and the second to the negative branch of the PV charge doublet.
Data were analyzed using one-way ANOVA with Scheffe post-hoc test, and Welch's t-test for examining the effect of cAMP on the number of fibers of doublet microtubules and for detecting the difference in the three-dimensionality between asymmetrical and symmetrical flagellar movement of the hyperactivated spermatozoa, using SPSS 11.
Now Let But for exterior flow problem the equation of indirect panel method for the doublet distribution can be stated as For exterior flow problem, assembling the equation (10) and equation (12) for the indirect boundary integral equation method can be inscribed as Or When all nodes are in consideration, then equation (14) yields an system of equations which can be written in matrix form in the case of constant and linear elements as Here is the matrix coefficient, is a vector of unknown total potentials "and on the R.
She speculated that children with doublets may have higher airway resistance, which "might be why the population of children with autism spectrum disorder are not truly athletic people.
Word reaches Stud Marks that Lerner, accompanied by a small American entourage and two children, went for lunch at the Dog & Doublet.
ON the mock Tudors there's a head count to rival Big Brother as Jonathan Rhys Meyers's ripe young Henry VIII crops his court at the neck as fast as he can whip off his doublet and hose for the ladies who are caught in action more often that they are in waiting.
The ESR spectra of all the sample shows six doublet line form ([Mn.
After 10 years he was promoted to head porter and since then has turned up for work every day in his costume of doublet and hose.
En la novela un joven investigador de la Biblioteca Nacional, Maximo Doublet, que trabaja sobre la obra del jesuita Manuel Lacunza, relata un dia de su vida y, en el transcurso de esta narracion, se van mezclando tanto las vidas cruzadas de dos familias --la suya, los Doublet, y la de Josefina y Ana, los Irizar, las dos mujeres que ha amado en distintas epocas-- como las voces dispersas y disidentes de sus integrantes.
Following a mid-winter lull in fortunes, the Seamus Mullins team are bouncing back to form and 16-1 chance Miss Doublet kept the ball rolling when seeing off Bally Bolshoi in the mares' novice hurdle.
For simulating doublet, triplet, and quadruplet pulse trains that reveal radar blind spots, the internal pulse generator improves resolution from 25 ns to 10 ns.
The explanation is that removal of the optical electron from a noble gas atom yields an ion whose ground configuration does not consist of a single level, but rather a doublet [.