trigonometry

As a proper noun purple

is (rare).

As a noun trigonometry is

(mathematics) the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions.

As a noun trigonometry

is (mathematics) the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between trigonometry and calculus

is that trigonometry is (mathematics) the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions while calculus is (dated|countable) calculation, computation.

As nouns the difference between trigonometry and vision

is that trigonometry is (mathematics) the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions while vision is ghost.

As nouns the difference between trigonometry and logarithms

is that trigonometry is (mathematics) the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions while logarithms is .

As nouns the difference between owl and trigonometry

is that owl is (computing) while trigonometry is (mathematics) the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions.

In mathematics terms the difference between logarithm and trigonometry

is that logarithm is for a number $x$, the power to which a given base number must be raised in order to obtain $x$. Written $\backslash log\_b\; x$. For example, $\backslash log\_\{10\}\; 1000\; =\; 3$ because $10^3\; =\; 1000$ and $\backslash log\_2\; 16\; =\; 4$ because $2^4\; =\; 16$ while trigonometry is the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions.

As nouns the difference between trigonometry and turkey

is that trigonometry is the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions while turkey is either of two species of bird in the genus Meleagris with fan-shaped tails and wattled necks.

As a proper noun Turkey is

country at the intersection of Europe and Asia on the Mediterranean. Official name: Republic of Turkey.

As a noun trigonometry

is (mathematics) the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions.

As an adverb trigonometrically is

done in a way that uses trigonometry.

Trigonometry is an abbreviation of sohcahtoa.

As a noun trigonometry

is (mathematics) the branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions.

As an acronym sohcahtoa is

(trigonometry) sine: opposite over hypotenuse, cosine: adjacent over hypotenuse, tangent: opposite over adjacent.