doublet

A gem made from two layers in order to save expenses; the lower part of the composite stone is glass or a non-precious stone, the top is the more valuable stone. One common doublet contains a layer of real garnet and a layer of glass.
Found on http://www.encyclo.co.uk/local/22290

doublet

One of the many gem fakes in which a thin, flat section of a real gem is pasted atop a thick base of glass or rock crystal.
Found on http://www.encyclo.co.uk/local/22291

doublet

(from the article `assembled gem`) A doublet is composed of two pieces of material, usually cemented together at the girdle (the stone`s widest part): if the two pieces are of the same ...
Found on http://www.britannica.com/eb/a-z/d/69

doublet

(from the article `comet`) Exceptions to the resonance-fluorescence mechanism are known and are exemplified by the case of the emission of the `forbidden` red doublet of atomic ... In the atoms of alkali metals such as sodium and potassium, there are two components of fine structure (called doublets), while in atoms of alkalin...
Found on http://www.britannica.com/eb/a-z/d/69

doublet

[n] - a man`s close-fitting jacket
Found on http://www.webdictionary.co.uk/definition.php?query=doublet

Doublet

/wams (germ.)- Short overgarment, a variation of the pourpoint. Originally it was worn under the pourpoint, and could be cut with or without sleeves.
Found on http://web.ceu.hu/medstud/manual/SRM/gloss.htm

Doublet

• (a.) Two of the same kind; a pair; a couple. • (a.) A word or words unintentionally doubled or set up a second time. • (a.) A counterfeit gem, composed of two pieces of crystal, with a color them, and thus giving the appearance of a naturally colored gem. Also, a piece of paste or glass covered by a veneer of real stone. • (a....
Found on http://thinkexist.com/dictionary/meaning/doublet/

doublet

<microscopy> Two simple lens elements cemented together, for the purpose of giving spherical and chromatic corrections. An achromatic doublet may be composed of a positive crown-glass lens and a negative flint-glass lens. The errors of one element are made to compensate those of the other element. ... (05 Aug 1998) ...
Found on http://www.encyclo.co.uk/local/20973

doublet

noun a man`s close-fitting jacket; worn during the Renaissance
Found on http://wordnetweb.princeton.edu/perl/webwn?s=doublet

Doublet

[clothing] A doublet is a man`s snug-fitting buttoned jacket that is shaped and fitted to the man`s body which was worn in Western Europe from the Middle Ages through to the mid-17th century. The doublet was hip length or waist length and worn over the shirt or drawers. Until the end of the 15th century the doublet was worn under another la...
Found on http://en.wikipedia.org/wiki/Doublet_(clothing)

Doublet

[lapidary] A doublet is a type of gem composed in two sections. It is sometimes used to imitate other, more expensive gems. A garnet and glass doublet uses a top portion of natural garnet fused to any color of glass to imitate a gem. The color of glass used in the doublet is all that is seen, as the garnet provides no color. If seen in refl...
Found on http://en.wikipedia.org/wiki/Doublet_(lapidary)

Doublet

[lens] In optics, a doublet is a type of lens made up of two simple lenses paired together. Such an arrangement allows more optical surfaces, thicknesses, and formulations, especially as the space between lenses may be considered an `element.` With additional degrees of freedom, optical designers have more latitude to correct more optical a...
Found on http://en.wikipedia.org/wiki/Doublet_(lens)

Doublet

[linguistics] In etymology, two or more words in the same language are called doublets or etymological twins (or possibly triplets, etc.) when they have different phonological forms but the same etymological root. Often, but not always, the variants have entered the language through different routes. Because the relationship between words t...
Found on http://en.wikipedia.org/wiki/Doublet_(linguistics)

Doublet

Doub'let noun [ In sense 3, Old French doublet ; in sense 4, French doublet , dim. of double double. See Double , adjective ] 1. Two of the same kind; a pair; a couple. 2. (Print.) A word or words unintentionally doubled or s...
Found on http://www.encyclo.co.uk/webster/D/114

doublet

a close-fitting jacket
Found on https://www.cliffsnotes.com/literature/i/ivanhoe/study-help/full-glossary

doublet

A compound lens made from two elements. The elements may be cemented together (forming a cemented doublet) or separated by an air space (forming a separated doublet). The most common doublet is the achromatic lens, consisting of a crown glass and a flint glass element chosen so that the indices of r...
Found on http://www.daviddarling.info/encyclopedia/D/doublet.html

Doublet

A doublet was a close-fitting jacket or body-coat, covering the body from the neck to a little below the waist. Its use was introduced to Britain from France in the 14th century, and it continued to be worn by both sexes and all ranks until the reign of Charles II when it was superseded by the vest and waistcoat. The garment got its name from being...
Found on http://www.probertencyclopaedia.com/browse/PD.HTM

Doublet

A form of gemstone trickery that was devised to allow inexpensive materials to imitate the more valuable gemstones before modern synthetics were available. A doublet can take several forms but always involves a fake gemstone produced by gluing together two different materials to form an illusion. A very common one in Victorian times was the garnet ...
Found on http://www.daysofelegance.com/glossary.html

Doublet

A form of gemstone trickery that was devised to allow inexpensive materials to imitate the more valuable gemstones before modern synthetics were available. A doublet can take several forms but always involves a fake gemstone produced by gluing together two different materials to form an illusion. A very common one in Victorian times was the garnet ...
Found on http://www.indygem.com/pages/Glossary-of-Terms.html

Doublet

A lens made of two, closely-fitting lenses. The front component of the pair is made of crown glass and is convex on both surfaces, like a magnifying glass, while the rear component is made of flint glass and is concave, so that it is a perfect fit against the front element. Doublets are thicker than simple lenses and the join between the two l...
Found on http://www.irpoyser.co.uk/glossary.php

Doublet

A system of two quadrupoles in close proximity, and with opposite polarity, used to simultaneously constrain the beam size in two dimensions at some point downstream.
Found on http://www-bdnew.fnal.gov/operations/accgloss/gloss.html

Doublet

a tight-fitting jacket
Found on http://tudorswiki.sho.com/page/Tudor+Words+Glossary

Doublet

An assembled stone of two parts. Colorless cement orheat is used to join the parts together. Often used with Opals.
Found on http://www.encyclo.co.uk/local/22148

doublet

an ordered set of two binary digits
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=702-05-07

doublet

another name for a pair.
Found on http://www.unc.edu/~rowlett/units/dictD.html
No exact match found