expand
//ɪkˈspænd//
Forms
- present (v1)
- expand
- past (v2)
- expanded
- past participle (v3)
- expanded
- present participle
- expanding
- 3rd person singular
- expands
Definitions
1.To change (something) from a smaller form or size to a larger one; to spread out or lay open.
- You can expand this compact umbrella to cover a large table.
2.To increase the extent, number, volume or scope of (something).
- Then with expanded wings he steers his flight.
- A flower expands its leaves.
- 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.
3.To express (something) at length and/or in detail.
4.To rewrite (an expression) as a longer, yet equivalent, sum of terms.
- Use the binomial theorem to expand #123;(x#43;1)#125;⁴.
Frequency
Overall
Common· #1745
By learning goal
- Everyday conversation
- Rare
- General reading & writing
- Common
- Academic
- Uncommon
- Literature
- Rare
Related words
Antonyms
Etymology
Recorded in Middle English since 1422 (as expanden, expaunden), from Anglo-Norman espaundre, from Latin expandō (“to spread out”), itself from ex- (“out, outwards”) + pandō (“to spread”).
Doublet of spawn.