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diachronic
diachronism
diachrony
diacid
diaconal
diaconate
diacritic
diacritical
diacritical mark
diacylglycerol
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diadem spider
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diagonal

di·ag·o·nal [ dī ággən'l, dī ágn'l ]


adjective 
Definition:
 
1. slanting or oblique: running from one side to another in a slanting or oblique way

2. with slanting lines: having slanting lines or markings

3. mathematics joining angles or corners: describes a line that joins two opposite or nonadjacent angles or corners of a straight-sided geometric figure



noun  (plural di·ag·o·nals)
Definition:
 
1. slanting line: a slanting line or direction

2. line joining angles: a line that joins two opposite or nonadjacent angles or corners of a straight-sided geometric figure

3. printing 
Same as  slashn (sense 5)


[Mid-16th century. < Latin diagonalis< Greek diagōnios "from angle to angle" < gōnia "angle"]

di·ag·o·nal·ly [ dī ággən'lee, dī ággnəlee ] adverb
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