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  1. Sign language | Definition, History, & Facts | Britannica

    Sep 26, 2025 · Sign language, any means of communication through bodily movements, especially of the hands and arms, used when spoken communication is impossible or not …

  2. Sign language - Wikipedia

    Sign language should not be confused with body language, a type of nonverbal communication. Linguists also distinguish natural sign languages from other systems that are precursors to …

  3. What Is American Sign Language (ASL)? | NIDCD

    American Sign Language (ASL) is a complete, natural language that has the same linguistic properties as spoken languages, with grammar that differs from English.

  4. What Are the Types of Sign Language? ASL, BSL, & More - wikiHow

    Jul 11, 2025 · There is no single universal sign language, so many countries or regions have their own sign languages that are often completely separate from their spoken languages. Learn …

  5. Sign Language - National Geographic Society

    Apr 9, 2024 · More than 300 different sign languages are actively used throughout the world. Sign language is a visual language expressed through physical movements instead of spoken …

  6. American Sign Language (ASL) - WebMD

    What Is Sign Language? Sign language is a language you express by using your hands and face instead of spoken words. It’s most commonly used by people in the Deaf community.

  7. NAD - National Association of the Deaf

    American Sign Language (ASL) is a visual language. With signing, the brain processes linguistic information through the eyes. The shape, placement, and movement of the hands, as well as …

  8. What is Sign Language? | Learn More about ASL with DILA

    Sign language is based on the idea that sight is the most useful tool a deaf person has to communicate and receive information. Thus, ASL uses hand shape, position, and movement; …

  9. What is sign language? | AccessComputing

    Sign language is manual communication commonly used by people who are deaf. Sign language is not universal; people who are deaf from different countries speak different sign languages.

  10. SIGN LANGUAGE Definition & Meaning - Merriam-Webster

    The meaning of SIGN LANGUAGE is any of various formal languages employing a system of hand gestures and their placement relative to the upper body, facial expressions, body …