expand

1. (transitive) To change (something) from a smaller form or size to a larger one; to spread out or lay open.Examples: "You can expand this compact umbrella to cover a large table."Synonyms: open out, spread, spread out, unfoldtransitive

2. (transitive) To increase the extent, number, volume or scope of (something).Examples: "A flower expands its leaves."; "Then with expanded wings he steers his flight."; "This has evidently been encouraging, for the current winter timetable - not even with the benefit of summer holiday traffic - shows that the two trains each way have been expanded to four."transitive

3. (transitive) To express (something) at length and/or in detail.transitive

4. (transitive, algebra) To rewrite (an expression) as a longer, yet equivalent, sum of terms.Examples: "Use the binomial theorem to expand #123;(x#43;1)#125;⁴."transitive

5. (intransitive, algebra, of an expression) To become, by rewriting, a longer, yet equivalent, sum of terms.Examples: "The expression #123;(x#43;1)#125;⁴ expands to x⁴#43;4x³#43;6x²#43;4x#43;1."intransitive

6. (transitive, arithmetic) To multiply both the numerator and the denominator of a fraction by the same (non-zero) number (which yields a fraction of equal value).Examples: "Expanding 4#47;7 by 3 gives 12#47;21."transitive