Definition

1. Verb:
   • To divide into two equal parts: "bisect" means to cut or split something exactly in half, typically along a line or plane of symmetry.
   • To intersect or cross: In geometry, it specifically means for a line or ray to divide an angle or line segment into two equal parts.

Usage

• The verb "bisect" is transitive and requires a direct object (e.g., ).
• It is commonly used in mathematical, scientific, and technical contexts but can also be applied to physical objects or abstract concepts.
• The past tense and past participle are "bisected."

Examples

• Verb:
  • The new highway will bisect the ancient forest.
  • To find the center, you must bisect the line segment.
  • The equator bisects the Earth into the Northern and Southern Hemispheres.

Advanced Usage

• "to be bisected by": Describes something that is divided by another.
  • The city is bisected by a major river.
• In geometry, specific terms use "bisect":
  • Angle bisector: A ray that divides an angle into two congruent angles.
  • Perpendicular bisector: A line that divides a segment into two equal parts at a 90-degree angle.

Variants and Related Words

• Bisection (n): The action of dividing something into two equal parts.
  • The bisection of the angle was precise.
• Bisector (n): A line or ray that bisects something.
  • The median is a bisector of the triangle's side.

Synonyms

• Halve: To divide into two equal parts.
• Split: To divide, especially along a line (less precise than "bisect").
• Intersect: To cross or cut through (can imply division but not necessarily into equal halves).

Antonyms

• Combine: To join or merge into one.
• Unite: To bring together as a whole.

Verb

1. cut in half or cut in two
   • bisect a line