a round plane figure whose boundary is equidistant from its centre
noun
Examples:
• Draw a circle on the paper.
• They sat in a circle around the campfire.
a shape with four equal sides and four right angles
noun
Examples:
• Draw a square on the paper.
• The room is ten meters square.
an open area in a town surrounded by buildings
noun
Examples:
• They met in the town square.
• The square was filled with people.
a flat shape with three straight sides and three angles
noun
Examples:
• The children learned that a triangle with three equal sides is called equilateral.
• She drew a large triangle on the board to explain the geometry problem.
a flat shape with four straight sides and four right angles, where opposite sides are equal in length
noun
Examples:
• A standard sheet of paper is a rectangle.
• The architect designed the building with a simple rectangle as its floor plan.
having a rounded and slightly elongated outline; egg-shaped
adjective
Examples:
• The Oval Office is located in the West Wing of the White House.
• She wore an oval locket around her neck.
a three-dimensional solid shape with six equal square faces
noun
Examples:
• She dropped two ice cubes into her glass of water.
• The children stacked wooden cubes to build a tower.
a perfectly round three-dimensional geometric shape, like a ball
noun
Examples:
• The Earth is not a perfect sphere — it bulges slightly at the equator.
• The artist cast the sculpture in the form of a hollow metal sphere.
a solid or hollow three-dimensional shape with two flat circular ends and straight parallel sides
noun
Examples:
• The engine has six cylinders.
• She rolled the dough into a cylinder shape.
the measurement of something from end to end
noun
Examples:
• The length of the table is six feet.
• She swam the full length of the pool.
the measurement or extent of something from side to side
noun
Examples:
• The width of the doorway is not wide enough for the sofa.
• She swam the full width of the pool without stopping.
the measurement of how tall someone or something is
noun
Examples:
• What is the height of the building?
• She reached the height of her career in her forties.
the distance from the top or surface to the bottom of something
noun
Examples:
• The pool has a depth of two metres.
• We explored the topic in great depth.
the base unit of length in the metric system, equal to 100 centimeters
noun
Examples:
• The swimming pool is 50 meters long.
• She stood just two meters away from the stage.
the base unit of mass in the metric system, equal to 1,000 grams
noun
Examples:
• The bag of flour weighs one kilogram.
• A newborn baby typically weighs between three and four kilograms.
a unit of volume in the metric system, equal to 1,000 milliliters
noun
Examples:
• She drank two liters of water throughout the day.
• The recipe calls for half a liter of chicken broth.
a unit of linear measure equal to one twelfth of a foot (2.54 cm)
noun
Examples:
• The screen measures 15 inches diagonally.
• We got about three inches of snow last night.
a unit of weight equal to 16 ounces (approximately 0.45 kg)
noun
Examples:
• The package weighs about five pounds.
• She lost ten pounds on the diet.
the basic monetary unit of the UK
noun
Examples:
• The shirt costs twenty pounds.
• The pound fell against the dollar.
a unit of liquid volume used mainly in the US, equal to approximately 3.785 liters
noun
Examples:
• He filled up the tank with ten gallons of gasoline.
• The recipe uses a full gallon of milk to make the large batch of pudding.
the space between two intersecting lines or surfaces at or close to the point where they meet, measured in degrees
noun
Examples:
• The two walls meet at a right angle.
• Try looking at the problem from a different angle.
a straight line passing through the center of a circle or sphere from one side to the other; the measurement of this line
noun
Examples:
• The pipe has a diameter of thirty centimeters.
• The diameter of the Earth is approximately 12,742 kilometers.