capsule

[kap-suhl, -sool, -syool]

noun

1. Pharmacology.,  a gelatinous case enclosing a dose of medicine.

2. Biology.

   1. a membranous sac or integument.

   2. either of two strata of white matter in the cerebrum.

   3. the sporangium of various spore-producing organisms, such as ferns, mosses, algae, and fungi.

3. Botany.,  a dry dehiscent fruit, composed of two or more carpels.

4. a small case, envelope, or covering.

5. Also called space capsule. Aerospace.,  a sealed cabin, container, or vehicle in which a person or animal can ride in flight in space or at very high altitudes within the earth's atmosphere.

6. Aviation.,  a similar cabin in a military aircraft, which can be ejected from the aircraft in an emergency.

7. a thin metal covering for the mouth of a corked bottle.

8. a concise report; brief outline.

   An appendix to the book contains biographical capsules of the contributors.

verb (used with object)

capsuled, capsuling 

1. to furnish with or enclose in or as if in a capsule; encapsulate.

2. to capsulize.

adjective

1. small and compact.

2. short and concise; brief and summarized.

   a capsule report.

3. containing only the most essential and versatile items of a particular kind.

   capsule wardrobe;

   capsule pantry.

capsule

/ ˈkæpsjuːl /

noun

1. a soluble case of gelatine enclosing a dose of medicine

2. a thin metal cap, seal, or cover, such as the foil covering the cork of a wine bottle

3. botany

   1. a dry fruit that liberates its seeds by splitting, as in the violet, or through pores, as in the poppy

   2. the spore-producing organ of mosses and liverworts

4. bacteriol a gelatinous layer of polysaccharide or protein surrounding the cell wall of some bacteria: thought to be responsible for the virulence in pathogens

5. anatomy

   1. a cartilaginous, fibrous, or membranous envelope surrounding any of certain organs or parts

   2. a broad band of white fibres ( internal capsule ) near the thalamus in each cerebral hemisphere

6. See space capsule

7. an aeroplane cockpit that can be ejected in a flight emergency, complete with crew, instruments, etc

8. (modifier) in a highly concise form

   a capsule summary

9. (modifier) (in the fashion industry) consisting of a few important representative items

   a capsule collection

capsule

1. A dry dehiscent fruit that develops from two or more carpels, as in the poppy and the cottonwood tree.

2. The sporangium (the hollow spore-producing structure) of mosses and other bryophytes.

3. The outer layer of viscous polysaccharide or polypeptide slime with which some bacteria cover their cell walls. Capsules provide defense against phagocytes and prevent the bacteria from drying out.

Other Word Forms

• uncapsuled adjective

Word History and Origins

Origin of capsule¹

First recorded in 1645–55; 1950–55 capsule for def. 5; from French or directly from Latin capsula, equivalent to caps(a) “box” + -ula diminutive suffix; case ², -ule

Word History and Origins

Origin of capsule¹

C17: from French, from Latin capsula, diminutive of capsa box

Example Sentences

Swiss drug company Novartis said Tuesday it plans to cut 550 jobs in Switzerland by the end of 2027 as it modernises a factory to cease producing pills and capsules to focus on cell therapies.

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China conducted an urgent unmanned spacecraft launch on Tuesday, after damage to a previous mission's return capsule left the crew on its space station without a means of getting back to Earth.

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To retrieve the astronaut safely, we had to make sure that we understood the exact place and time that space capsule would touch down.

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Unlike land sites, where the invaluable evidence of past cultures and people are often covered over or mingled with the relics of succeeding eras, an ancient shipwreck is a pristine historic time capsule.

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Vast plans to send Haven-1 into space on a SpaceX Falcon 9 rocket, while Axiom's private mission will see astronauts aboard one of their Crew Dragon capsules.

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Related Words

• dose 
• pellet 
• pill