Word Finder - subtending

definition

To use an angle to delimit (mark off, enclose) part of a straight or curved line, for example an arc or the opposite side of a triangle.

definition

(also mathematics) To extend or stretch opposite something; to be part of a straight or curved line that is opposite to and delimits an angle.

example

A hypotenuse subtends the right angle of a right triangle.

definition

To form the central angle of a circle underneath an arc

example

The points A and B on the circumference form the arc AB, which subtends the central angle θ.

The eye, unaided or armed with a telescope, is able to see, as points of light, stars subtending no sentsible angle.

Bracts of a more general character subtending branches C' of the inflorescence are singularly rare in Gramineae, in marked contrast with Cyperaceae, where they are so conspicuous.

The resistance to slipping of a flat belt on a pulley may be obtained by considering the equilibrium of a small arc of the pulley surface subtending an angle dB at the centre, and having tensions T and T+dT at its extremities.

Each sporangiophore is traversed throughout its length by a vascular bundle connected with that which supplies the subtending bract.

It is thus proved that the sporangiophore is not a mere sporangial stalk, but a distinct organ, in all probability representing a ventral lobe of the subtending bract.