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cos

PRIMARY MEANINGS OF: cos

1
 n
ratio of the adjacent side to the hypotenuse of a right-angled triangle
2
 n
lettuce with long dark-green leaves in a loosely packed elongated head
FULL DEFINITIONS OF: cos
1

n ratio of the adjacent side to the hypotenuse of a right-angled triangle

Synonyms:
cosine
Type of:
circular function, trigonometric function
function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
2

n lettuce with long dark-green leaves in a loosely packed elongated head

Synonyms:
cos lettuce, romaine, romaine lettuce
Type of:
lettuce
leaves of any of various plants of Lactuca sativa
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