subtractive

/səb'træktiv/

Thân thiện

A student uses subtractive color mixing with paints.

Definition

1. Adjective:
   • Relating to or involving subtraction: Describes something that constitutes, involves, or is characterized by the mathematical operation of taking one number or quantity away from another.
   • Tending to remove or reduce: In a broader sense, can describe a process that diminishes or takes away from a whole.

Usage and Examples

• Adjective:
  • The subtractive method is often used to find the difference between two numbers.
  • In color theory, the subtractive color model (using cyan, magenta, yellow, and black) works by absorbing some wavelengths of light and reflecting others.
  • The sculptor used a subtractive process, carving the statue from a single block of marble by removing material.

Advanced Usage

• Subtractive Synthesis: A method of sound synthesis where complex tones are created by filtering (subtracting) frequencies from a rich sound source.
  • He prefers the warm sound created by subtractive synthesis in analog synthesizers.
• Subtractive Bilingualism: A sociolinguistic situation where learning a second language leads to the loss or diminished use of the first language.
  • The educational policy was criticized for promoting subtractive bilingualism among immigrant children.

Variants and Related Words

• Subtract (verb): To take away (a number or amount) from another to calculate the difference.
  • Subtract 10 from 15 to get 5.
• Subtraction (noun): The process or skill of taking one number or amount away from another.
  • The child is learning addition and subtraction.

Synonyms

• Reductive: Tending to present a subject or problem in a simplified form, especially one that is too simplistic.
• Diminishing: Making or becoming less.

Antonyms

• Additive: Characterized by, relating to, or produced by addition.

Học thuật

Adjective

1. constituting or involving subtraction
   • a subtractive correction