# capsule

> English word · Noun · IPA /ˈkæps(ə)l/ · frequency rank #11,176

## Definitions
1. A membranous envelope.
2. A type of simple, dehiscent, dry fruit (seed-case) produced by many species of flowering plants, such as poppy, lily, orchid, willow and cotton.
3. A sporangium, especially in bryophytes.
4. A tough, fibrous layer surrounding an organ such as the kidney or liver
5. A membrane that surrounds the eyeball
6. A detachable part of a rocket or spacecraft (usually in the nose) containing the crew's living space.
7. A small container containing a dose of medicine.
8. in a brief, condensed or compact form
9. The covering — formerly lead or tin, now often plastic — over the cork at the top of the wine bottle.
10. A small clay saucer for roasting or melting samples of ores, etc.; a scorifier.
11. A small, shallow evaporating dish, usually of porcelain.
12. A small cup or shell, often of metal, for a percussion cap, cartridge, etc.
13. One of the very small rooms for guests in a capsule hotel.

## Etymology
Borrowed from French capsule, from Latin capsula, diminutive of capsa (“box”).

## Easily confused with
- **castle** (https://plainspell.com/en/vs/capsule-vs-castle)
- **capture** (https://plainspell.com/en/vs/capsule-vs-capture)
- **capable** (https://plainspell.com/en/vs/capable-vs-capsule)

## Common misspellings (10)
`acpsule`, `cappsule`, `capslue`, `capssule`, `capsuel`, `capsulle`, `capusle`, `caspule`, `ccapsule`, `cpasule`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/capsule