subtend
verb
sub·tend
| \ səb-ˈtend
\
\
subtended;
subtending;
subtends
Definition of subtend
1a
: to be opposite to and extend from one side to the other of
a hypotenuse subtends a right angle
b
: to fix the angular extent of with respect to a fixed point or object taken as the vertex
a central angle subtended by an arc the angle subtended at the eye by an object of given width and a fixed distance away
c
: to determine the measure of by marking off the endpoints of
a chord subtends an arc
2a
: to underlie so as to include
b
: to occupy an adjacent and usually lower position to and often so as to embrace or enclose
a bract that subtends a flower
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