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  1. Tuff - Wikipedia

    Tuffs are further classified by their depositional environment, such as lacustrine tuff, subaerial tuff, or submarine tuff, or by the mechanism by which the ash was transported, such as fallout tuff …

  2. Tuff | Volcanic Ash, Igneous Rock & Pyroclastic Material | Britannica

    Some of the world’s largest deposits of vitric tuff are produced by eruptions through a large number of narrow fissures rather than from volcanic cones. In extensive deposits, tuff may …

  3. TUFF Definition & Meaning - Merriam-Webster

    The meaning of TUFF is a rock composed of the finer kinds of volcanic detritus usually fused together by heat.

  4. Tuff or Tough – What’s the Difference? - Writing Explained

    Summary: Tuff vs. Tough Is it tuff or tough? Tough is an adjective that means strong or difficult and a verb that means to endure. Tuff is a type of rock, and is used in place of tough in some …

  5. What Does Tuff Mean on TikTok? Unpacking the Popular Slang

    May 17, 2025 · Tuff means something is cool, dope, or exciting. Something that’s tuff is something that’s considered cool, typically in a masculine sense. For example, if a clip of an NBA player …

  6. Tuff - an igneous rock of explosive volcanic eruptions.

    If the ejected material is compacted and cemented into a rock, that rock will be called "tuff." Tuff is usually thickest near the volcanic vent and decreases in thickness with distance from the …

  7. TUFF | definition in the Cambridge English Dictionary

    The tuff is light and porous, and none of the bones penetrate into the more compact rock.

  8. Tuff Rock | Properties, Formation, Uses » Geology Science

    May 13, 2019 · Tuff as a Preservation Medium for Fossils: Tuff rock can play a crucial role in the preservation of fossils due to its rapid burial and protective properties. When volcanic ash and …

  9. tuff - Wiktionary, the free dictionary

    Dec 14, 2025 · tuff (countable and uncountable, plural tuffs) (geology) A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to …

  10. Understanding ‘Tuff’: The Slang Term Redefined - SlangSphere.com

    Mar 29, 2025 · What Does ‘Tuff’ Mean? ‘Tuff’ is a slang term derived primarily from the American vernacular, often used to express toughness, resilience, or strength. The word is frequently …