Each star displays a number. The youth or adult member combines stars to show his or her years of service. For example, a boy who was a Cub Scout for four years and a Boy Scout for six years would wear a four-year service star on a gold backing and a six-year service star on a green backing.
Freebase(0.00 / 0 votes)Rate this definition: In structural geology, a syncline is a fold with younger layers closer to the center of the structure. A synclinorium is a large syncline with superimposed smaller folds. Synclines are typically a downward fold, termed a synformal syncline; but synclines that point upwards, or perched, can be found when strata have been overturned and folded.
Spline (mathematics) A quadratic spline composed of six polynomial segments. Between point 0 and point 1 a straight line. Between point 1 and point 2 a parabola with second derivative = 4. Between point 2 and point 3 a parabola with second derivative = â2.