What does imbibition mean?
Imbibition is the formal noun for the absorption of a liquid into a porous material or biological tissue. It is especially important in botany: a dry seed takes up water by imbibition, swelling and becoming turgid as hydration begins the process of germination. In materials science and medicine, the same term describes liquid penetration into a solid or uptake by tissue. The word usually appears in technical or academic prose and is less common in everyday speech than absorption or soaking. Although it can suggest thorough saturation, imbibition specifically evokes liquid entering and being taken up by a material rather than merely spreading across its surface. It is therefore useful in precise contexts where the mechanism of absorption matters, particularly seed physiology, porous materials, and the initial stage of plant growth.
nounThe absorption of a liquid into a porous material or biological tissue. In botany, it refers especially to the uptake of water by a dry seed or other plant tissue, causing it to swell.
- The absorption of a liquid into a porous material or biological tissue.
- In plant physiology, the uptake of water by a dry seed or other plant tissue, causing swelling and often initiating germination.
"The seed's rapid imbibition of water caused it to swell and split open."
"As the dry seed began imbibition, its outer coat split and the embryonic root emerged."
"The porous clay's gradual imbibition of the dye solution gave the vessel its deep colour."
The regular plural is grammatically possible but uncommon because imbibition is normally treated as a singular term for a process.
"The researchers compared imbibitions in seeds exposed to different salt concentrations."
A dormant seed drinks without roots: water is absorbed by imbibition, swelling the seed and helping launch germination.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does imbibition come from?
Imbibition entered English in the early 17th century from Latin imbibere, meaning “to drink in,” formed from in- (“into, in”) and bibere (“to drink”). Its development reflects the metaphor of a dry or porous substance taking in liquid. The English cognate imbibe preserves the same idea, while beverage belongs to the wider family derived from Latin bibere.
How imbibition is actually used
A learned and relatively uncommon noun, most often encountered in scientific writing about botany, materials science, or medicine. It is more formal and technical than everyday alternatives such as absorption or soaking.
Easily confused with imbibition
Imbibition names the process of absorbing a liquid, while imbibe is the verb describing that action, especially the act of soaking up a liquid.