Quadrant (Noun)
Meaning 1
The area enclosed by two perpendicular radii of a circle.
Classification
Nouns denoting spatial position.
Examples
- The coordinates of the point must be evaluated to determine which quadrant of the unit circle it lies in.
- To determine the sign of the sine of an angle, first determine which quadrant the angle is in.
- If a point has negative x and positive y coordinates, then it lies in the second quadrant of the circle.
- Graph the circle on the coordinate plane, using each axis as a radius and the four quadrants of the circle to identify each axis as either positive or negative.
- Given that angle α lies in the fourth quadrant of the circle, it is acute, which means the adjacent and cosine functions will have the same sign as α.
Hypernyms
Meaning 2
A measuring instrument for measuring altitude of heavenly bodies.
Classification
Nouns denoting man-made objects.
Examples
- The quadrant was used by ancient astronomers to measure the altitude of the sun and stars.
- The navigator carefully adjusted the quadrant to get an accurate reading of the moon's position.
- The quadrant was an essential tool for sailors to determine their latitude at sea.
- By using a quadrant, astronomers could calculate the position of celestial bodies with remarkable precision.
- The quadrant was a simple yet effective instrument that allowed astronomers to measure the altitude of heavenly bodies with ease.
Hypernyms
Meaning 3
A quarter of the circumference of a circle.
Classification
Nouns denoting spatial position.
Examples
- The navigator divided the compass into four quadrants to help her chart the ship's course.
- The pie chart was divided into four quadrants, each representing a different quarter of the sales data.
- The circular garden was divided into four quadrants, each with a different type of flower.
- The clock face was divided into four quadrants, with the hour hand pointing to the upper left quadrant.
- The architect designed the circular building with four quadrants, each serving a different purpose.
Synonyms
Meaning 4
Any of the four areas into which a plane is divided by two orthogonal coordinate axes.
Classification
Nouns denoting spatial position.
Examples
- The diagram of the house plan showed four different sections labeled by the compass points corresponding to each quadrant of the yard.
- Plotting the line in all four quadrants produced different effects because the parameters only change across specific horizontal limits in both plus and minus infinite as compared with upper y parameters such y=(quadrants crossed only bottom semi parabolic radius functions exist ).
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