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  1. Dictionary
    expand
    /ɪkˈspand/

    verb

    More definitions, origin and scrabble points

  2. to increase something in size, number, or importance: [ I ] The air in the balloon expands when heated. [ T ] They expanded their number of stores significantly in the 1990s. expansion. noun [ U ] us / ɪkˈspæn·ʃən / Expansion into new areas of research might be possible. Phrasal verb. expand on/upon something.

  3. The meaning of EXPAND is to open up : unfold. How to use expand in a sentence. Synonym Discussion of Expand.

  4. to increase something in size, number, or importance: [ I ] The air in the balloon expands when heated. [ T ] They expanded their number of stores significantly in the 1990s. expansion. noun [ U ] us / ɪkˈspæn·ʃən / Expansion into new areas of research might be possible. Phrasal verb. expand on/upon something.

  5. Expand can describe the increasing size of something in height, width, length, scope, boundary, or any other measurable unit of size, as when you expand an app menu by clicking on a down arrow. To expand can also mean to stretch out or unfold, such as when a bird expands its wings when it gets ready to fly.

  6. [intransitive, transitive] to become greater in size, number or importance; to make something greater in size, number or importance. Metals expand when they are heated. Student numbers are expanding rapidly. a greatly expanded version of his earlier book. A child's vocabulary expands through reading.

  7. The verb expand means to make something bigger or wider. It might refer to something concrete, as when you blow into a balloon and make it expand, or something more abstract, as when you study to expand your mind.

  8. 1. To become greater in size, volume, quantity, or scope: Air expands when heated. This critic's influence is expanding. 2. To speak or write at length or in detail: expand on a favorite topic. 3. To open up or out; unfold: The chair expands to form a daybed.