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nock (equipment) – The notch at the rear end of an arrow; also the notches at the ends of the bow limbs to which the bowstring is attached, or looped over; nock (practice) – The act of setting an arrow in a bow; nocking point (equipment) – The point on a bow string over which an arrow nock is placed
Sometimes the goal is merely the notch itself, but usually this is a precursor to some other process: such as bending a corner in sheet or joining two tubes at a tee joint, notching one to fit closely to the other. Notching is a low-cost process, particularly for its low tooling costs with a small range of standard punches.
Particularly rugged and forbidding cols in the terrain are usually referred to as notches. They are generally unsuitable as mountain passes, but are occasionally crossed by mule tracks or climbers' routes. Derived from the French col ("collar, neck") from Latin collum, "neck", [2] the term tends to be associated more with mountain than hill ...
For all notch types, a key parameter in governing stress concentration and failure in notched materials is the notch tip curvature or radius. [ 1 ] Sharp tipped V-shaped notches are often used in standard fracture toughness testing for ductile materials, polymers and for the characterization of weld strength.
In a bow and arrow, two notches near the bow's respective ends, for attaching the bowstring Nock (arrow) , in an arrow, the notch in the fletched (feathered) end of the arrow, for engaging the bowstring
The term originated in about the 14th century from the Old French word batailler, "to fortify with batailles" (fixed or movable turrets of defence). The word crenel derives from the ancient French cren (modern French cran), Latin crena, meaning a notch, mortice or other gap cut out often to receive another element or fixing; see also crenation.
Notch signalling pathway, a cell signalling system present in most multicellular organisms; Notch proteins, a family of transmembrane proteins; Notch filter, a band-stop filter with a narrow stopband; Notch test, also known as Charpy impact test; Lion Notch, a male lion featured in the nature documentary series Big Cat Diary
Word British English meanings Meanings common to British and American English American English meanings oblique (n.) slash symbol a muscle neither parallel nor perpendicular to the long axis of a body or limb onesie (n.) Onesie (jumpsuit): One-piece garment worn by older children and adults as loungewear.