Generally, a permanent line of weakness established by completely flattening the axis of a fold, or the act of creating such a weakness. Occasionally, a similar line of weakness created by scoring the paper.
Minor defect comprised of a linear indentation but little or no stem curvature at point of attack.
The scored line along which the seam of an envelope is folded.
A noticeable weakening of the paper of a stamp or cover, caused by its being folded or bent at some point. Creases substantially lower a stamp's value. Creases particularly affect cover values when they extend through the attached stamp or a postal marking. Stamp creases are visible in watermark fluid.
an angular or rounded shape made by folding; "a fold in the napkin"; "a crease in his trousers"; "a plication on her blouse"; "a flexure of the colon"; "a bend of his elbow"
a line that is equidistant to the focus F and a point G on the circle
A line, groove, or ridge that is made by or as if by folding a pliable substance.
An indent is made on the sheet before folding so as to avoid cracking.
a mark left in the paper after a fold has been unfolded.
A line or mark on a stamp caused by folding which greatly decreases the value of said stamp.
A fold which causes ink removal usually resulting in a white line. See "Corner Crease" and "Reading Crease."
A heavy fold in the paper that breaks the color of any comic book art.
a defect resulting from a fold over in the web paper process
A line formed by folding paper
An impression or crease in corrugated or solid fibreboard to locate and facilitate folding.
An indented line pressed into the substrate to reduce resistance and allow folding without cracking or splitting.
A fold running through a stamp, considered a defect.
Line or mark made by folding or wrinkling.
To mechanically press a rule into heavy paper or board to enable folding without cracking.
A line, groove or ridge caused by folding or bending that does not actually break through the surface of the object.
one of the white lines marked on the pitch to denote different areas of play; either the bowling crease, popping crease, or return crease. the popping crease.
In the sport of cricket, the crease is the area demarcated by white lines painted or chalked on the field of play.