edge control

Noun

edge control (uncountable)

1. A hair product formulated to hold down baby or fine hair.
2. The controlled use and placement of the edge of a skate, ski, or snowboard.
   • As a gauge of its importance, consider that when an instructor or racer speaks of someone having amazing edge control, he means that that skier is a master of the slopes.1967 December, Doug Pfeiffer, “Instruction Corner”, in Skiing, volume 20, number 3, page 111
   • Many people say that skaters who had to do figures learned to freeskate better because figures teach you edge control.1997, Brian Boitano, Suzanne Harper, Boitano's Edge: Inside The Real World Of Figure Skating, page 27
3. (kayaking) A skill in edging; the ability to maintain one gunwale higher than the other at a controlled angle.
   • These help keep the knees locked into the side of the kayak and help with edge control.2002, Franco Ferrero, Canoe and Kayak Handbook, page 51
   • Analyze your edge control to figure out exactly what you need to do with your knee, foot, leg, hip, and body.2017, Nigel Foster, The Art of Kayaking: Everything You Need to Know About Paddling, page 43
4. The management and manipulation of the edges of an aircraft's wings or control surfaces to enhance performance and stability.
   • Trailing edge control surface configurations may be composed of a full span, inboard partial-span, outboard tip partial-span, or up to six individual control surfaces, including side-by-side common edge control surfaces, and nested controls.1975, Prediction of Unsteady Aerodynamic Loadings Caused by Leading Edge and Trailing Edge Control Surface Motions in Subsonic Compressible Flow, page 63
5. Control over the exact placement of edges on a line or shape one is mapping, cutting, or etching.
   • We do not feel that it is necessary to go below 3 inch rotors since an effective edge control strategy will control the narrow edge shape problem without an accurate measurement of the problem.1984, Aluminum Association Shape Control Workshop Papers, page 22
   • Edge control not only helps to meet the need for strip shape quality, but also improve the yield of strip.2011, Hui Xuan Zhang, Ye Han, Fu Xiao Chen, Materials and Computational Mechanics, page 134
6. The management of an unpredictable situation in order to prevent it from becoming physically dangerous.
   • It is conditioned by edge control, minimizing threats to personal danger, resolving the encounter, avoiding excessive paperwork, and getting on with something more interesting.2012, Carol Archbold, Policing: A Text/Reader, page 399
   • In this section I describe edge control as a phenomenon associated with the contingent (or unpredictable) nature of police-citizen interactions.2014, John P. Crank, Understanding Police Culture, page 174