What is protrusion?

  • (noun): The act of projecting out from something.
    Synonyms: projection, jut, jutting
    See also — Additional definitions below

Some articles on protrusion:

Prognathism - Presentation
... Maxillary prognathism is a protrusion of the maxilla, and is also a common feature of many populations ... Mandibular prognathism is a protrusion of the mandible, affecting the lower third of the face ... Alveolar prognathism is a protrusion of that portion of the maxilla where the teeth are located, in the dental lining of the upper jaw ...
Spark Plug Construction - Tip Protrusion
... The protrusion of the tip into the chamber also affects plug performance, however the more centrally located the spark gap is, generally the better the ignition of the air-fuel mixture will be ... tends to foul the plug tip and inhibit the spark in such cases, a plug with less protrusion than the engine would normally call for often collects less fouling ... adapters are sold which fit between the plug and the head to reduce the protrusion of the plug for just this reason, on older engines with severe oil burning problems this will cause ...
Entablature
... The triglyphs sit on top of the taenia, a flat, thin, horizontal protrusion, and are finished at the bottom by decoration (often ornate) of drops, called guttae, which belong to the top of the ... The top of the triglyphs meet the protrusion of the cornice from the entablature ... The underside of this protrusion is decorated with mutules, tablets that are typically finished with guttae ...
Orbit (anatomy) - Definition - Protrusion
... Alternately, the eye may make an illusion of protrusion in extreme fear, not from the contraction of smooth muscle of the orbit, but based on the widening of the eyelids and dilation of the pupil (all commanded ... the lacrimal gland, located superotemporally within the orbit, produces protrusion of the eye inferiorly and medially (away from the location of the lacrimal gland) ... of the optic nerve) within the cone formed by the horizontal rectus muscles produce axial protrusion (bulging forward) of the eye ...
Microtypography - Availability
... However, in 2010, support for protrusion was added to XeTeX ... system based on TeX, offers both microtypographical features such as expansion and protrusion (a.k.a ... Robin Williams suggests methods for achieving protrusion with wordprocessors and desktop publishing packages that do not make it directly available ...

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