Skip to main content
fluid

fluid

428 2.3
A substance like a liquid or gas that flows and takes the shape of its container
  • noun
  • /ˈfluːɪd/
translation icon : fluido
  • Patients with chronic heart failure and fluid retention gain weight. True or False?
  • body fluids
  • fluid flow
  • water-based fluids

I think I mean, yeah, Bodily fluids, Breast milk, yeah.

Autoplay Next

Examples

  • The equipment would recycle water-based fluids on site to reduce transportation and labor costs.

    Academic text (2011)
  • We just pop it in, take a little amniotic fluid, test it for any abnormalities, and also the DNA sample that you require.

  • How much fluid do we have in each?

  • No fluid in the ears.

  • Water is just a fluid that flows in the way it flows.

  • Hey, Ed, do you know how many different fluids the human body has?

  • This frees air and fluid so that you can breathe more easily.

  • No, I can't see any fluid coming up here whatsoever.

  • The doctor explained that the body requires a balance of different fluids to function properly.

  • When camping, it's important to carry enough fluid to stay hydrated throughout the day.

Antonyms

solid
  • Specialized
9 1.0

A firm form of matter that keeps its shape, not liquid

Compounds

bodily fluid
  • Specialized
14 3.3

A liquid the body makes, like blood, urine, or saliva

amniotic fluid
  • Specialized
9 4.2

Clear slightly yellow liquid that surrounds and protects a developing baby in the womb

spinal fluid
  • Specialized
8 4.1

A clear, colorless liquid that surrounds and protects the brain and the nerves inside the spine

body fluid
  • Specialized
7 2.8

A liquid from the body of people and animals, for example blood, saliva or urine

4 6.8

A man's thick white fluid that comes out during orgasm and contains sperm

cerebrospinal fluid
  • Specialized
3 5.3

A clear liquid that surrounds and protects the brain and spinal cord

2 3.8

Smooth, graceful movement that looks continuous without sudden stops

synovial fluid
  • Specialized
1 4.1

A thick slippery liquid inside joints that helps them move smoothly

Smooth, graceful motions of the body that look easy

1 5.5

A clear liquid around the brain that protects it and helps it work

drilling fluid
  • Specialized
1 5.7

A mix of water, clay, and chemicals that cools and lubricates the drill, removes cuttings, and stabilizes the hole walls

Moving smoothly and elegantly without sudden or awkward movements

fluid mechanics
  • Specialized
1 4.7

The study of how liquids and gases move and the forces that act on them

1 3.2

A unit for measuring small amounts of liquid, about 28 millilitres in Britain and about 30 millilitres in America

6.0

Flow of the clear fluid in and around the brain

digestive fluid
  • Specialized
3.8

A liquid the body makes that helps break down food

amnionic fluid
  • Specialized
5.8

The clear watery fluid that surrounds and protects a baby in the womb

extracellular fluid
  • Specialized
4.9

Fluid outside body cells, like blood plasma and fluid between cells, that carries salts and proteins

fluid dram
  • Archaic
9.9

A small old liquid measure used for medicine, about 3.6 millilitres

fluid drive
  • Archaic
7.8

A device that uses fluid to connect an engine to the drive shaft smoothly

fluid flywheel
  • Archaic
8.4

A device that uses fluid to send engine power to the transmission smoothly

2.8

A US unit for measuring small amounts of liquid equal to about 30 millilitres

A way of thinking that easily changes to fit new situations

interstitial fluid
  • Specialized
7.0

Fluid between the body's cells that carries nutrients and oxygen and removes waste

intracellular fluid
  • Specialized
5.7

The liquid inside a cell that contains dissolved substances the cell needs

How Viscous

paste
68 1.0
syrup
203 1.0
oil
1.0
fluid
428 2.3
water
1.0
gas
729 1.0

Surface Forms

fluid singular
fluids plural

Etymology

The word fluid comes from the Latin fluere, meaning 'to flow', like the everyday word flow. As a noun, a fluid is literally 'something that flows', such as water or air, because it takes the shape of its container.