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Another example of nearly synonymous doublets is aperture and overture (the commonality behind the meanings is "opening"). Doublets may also develop contrasting meanings, such as the terms host and guest, which come from the same PIE word * gʰóstis and already existed as a doublet in Latin, and then Old French, [2] before being borrowed into ...
Later in the 15th century, the doublet changed shape over time with each country developing its own style. Through the Tudor period, fashionable doublets remained close-fitting with baggy sleeves, and elaborate surface decoration such as pinks (patterns of small cuts in the fabric), slashes, embroidery, and applied braid. A man's doublet was ...
Word ladder (also known as Doublets, [1] word-links, change-the-word puzzles, paragrams, laddergrams, [2] or word golf) is a word game invented by Lewis Carroll. A word ladder puzzle begins with two words, and to solve the puzzle one must find a chain of other words to link the two, in which two adjacent words (that is, words in successive ...
Doublet (computing), a group of 16 bits in computing Doublet (lens), a type of lens, made up of two stacked layers with different refractive indices Doublet (potential flow), fluid flow due to a source–sink combination
Conversely, it was the observation of doublets in spectroscopy that allowed physicists to deduce that the electron had a spin, and that furthermore, the magnitude of the spin had to be 1/2. See the history section of the article on Spin (physics) for greater detail. Doublets continue to play an important role in physics.
Doublets may also have arisen or persisted because the solicitors and clerks who drew up conveyances and other documents were paid by the word, which tended to encourage verbosity. [ 3 ] Their habitual use has been decried by some legal scholars as "redundant" and superfluous in modern legal briefs.
Doublets can come in many forms, though most commercial doublets are achromats, which are optimized to reduce chromatic aberration while also reducing spherical aberration and other optical aberrations. The lenses are made from glasses with different refractive indices and different amounts of dispersion.
Doublets are pairs of words in the same language which are derived from a single etymon, which may have similar but distinct meanings and uses. Often, one is a loanword and the other is the native form, or they have developed in different dialects and then found themselves together in a modern standard language.