Definition of Buoyant

1. Adjective. Tending to float on a liquid or rise in air or gas. "A floaty scarf"

Exact synonyms: Floaty
Similar to: Light
Derivative terms: Buoy, Buoy, Buoyancy, Float

2. Adjective. Characterized by liveliness and lightheartedness. "A perky little widow in her 70s"
Exact synonyms: Chirpy, Perky
Similar to: Cheerful
Derivative terms: Buoyancy, Buoyancy, Chirpiness, Perkiness

Definition of Buoyant

1. a. Having the quality of rising or floating in a fluid; tending to rise or float; as, iron is buoyant in mercury.

Definition of Buoyant

1. Adjective. having buoyancy; able to float ¹

2. Adjective. lighthearted and lively ¹

¹ Source:

Definition of Buoyant

1. having buoyancy [adj]

Medical Definition of Buoyant

1. 1. Having the quality of rising or floating in a fluid; tending to rise or float; as, iron is buoyant in mercury. "Buoyant on the flood." 2. Bearing up, as a fluid; sustaining another body by being specifically heavier. "The water under me was buoyant." (Dryden) 3. Light-hearted; vivacious; cheerful; as, a buoyant disposition; buoyant spirits. Buoy"antly. Origin: From Buoy, & i. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Buoyant

buoy rope
buoy tender
buoy up
buoyancy aid
buoyancy aids
buoyant (current term)
buoyant density
buoyed up
buoying up
buoys up

Literary usage of Buoyant

Below you will find example usage of this term as found in modern and/or classical literature:

1. Observations of a Naturalist in the Pacific Between 1896 and 1899 by Henry Brougham Guppy (1906)
"The second group, where the kernel is buoyant.—The third group, where there is air-bearing tissue in the seed-tests or fruit-coats.—The buoyant seeds and ..."

2. The Mechanics' Magazine, Museum, Register, Journal, and Gazette (1837)
"buoyant FLOAT PADDLE-WHEEL. Sir,—Through your useful Magazine I beg leave to communicate a new kind of paddle-wheel. I think it not improbable that it will ..."

3. Hydraulics by Robert Long Daugherty (1919)
"buoyant Force of the Water and Flotation. ... Hence for any body immersed in a fluid such as water the buoyant force of the water is equal to the weight of ..."

4. Mechanics of Engineering: Comprising Statics and Dynamics of Solids; the by Irving Porter Church (1893)
"buoyant Effort—I! any portion of a body of homogeneous liquid at rest be co& ceived to ... If the weight G' of the solid is not equal to tie buoyant effort, ..."

5. International Library of Technology: A Series of Textbooks for Persons by International Textbook Company (1908)
"Ans. 620 Ib., nearly buoyant EFFECT OF LIQUIDS IMMERSION AND FLOTATION 18. buoyant Effort.—In a mass of liquid at rest, suppose a part of the liquid mm, ..."

6. Civil Engineer and Architect's Journal (1866)
"Seeing now, from the foregoing tables, the great advantage of employing substances of light specific gravity as the buoyant material, it will become ..."

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