Smooth vs. Fluid

Having a texture that lacks friction. Not rough.

Without difficulty, problems, or unexpected consequences or incidents.

Example: ‘We hope for a smooth transition to the new system.’;

Bland; glib.

Flowing or uttered without check, obstruction, or hesitation; not harsh; fluent.

(of a person) Suave; sophisticated.

(of an action) Natural; unconstrained.

(of a motion) Unbroken.

Placid, calm.

(of an edge) Lacking projections or indentations; not serrated.

(of food or drink) Not grainy; having an even texture.

(of a beverage) Having a pleasantly rounded flavor; neither rough nor astringent.

Having derivatives of all finite orders at all points within the function’s domain.

That factors completely into small prime numbers.

Lacking marked aspiration.

Involuntary and non-striated.

Smoothly.

Something that is smooth, or that goes smoothly and easily.

A smoothing action.

A domestic animal having a smooth coat.

A member of an anti-hippie fashion movement in 1970s Britain.

(statistics) The analysis obtained through a smoothing procedure.

To make smooth or even.

To make straightforward.

To capture important patterns in the data, while leaving out noise.

(West Country) To stroke; especially to stroke an animal's fur.

Example: ‘Can I smooth your cat?’;

Having an even surface, or a surface so even that no roughness or points can be perceived by the touch; not rough; as, smooth glass; smooth porcelain.

Example: ‘The outlines must be smooth, imperceptible to the touch, and even, without eminence or cavities.’;

Evenly spread or arranged; sleek; as, smooth hair.

Gently flowing; moving equably; not ruffled or obstructed; as, a smooth stream.

Flowing or uttered without check, obstruction, or hesitation; not harsh; voluble; even; fluent.

Example: ‘The only smooth poet of those times.’; ‘Waller was smooth; but Dryden taught to joinThe varying verse, the full-resounding line.’; ‘When sage Minerva rose,From her sweet lips smooth elocution flows.’;

Bland; mild; smoothing; fattering.

Example: ‘This smooth discourse and mild behavior oftConceal a traitor.’;

Causing no resistance to a body sliding along its surface; frictionless.

Smoothly.

Example: ‘Smooth runs the water where the brook is deep.’;

The act of making smooth; a stroke which smooths.

That which is smooth; the smooth part of anything.

To make smooth; to make even on the surface by any means; as, to smooth a board with a plane; to smooth cloth with an iron.

To free from obstruction; to make easy.

Example: ‘Thou, Abelard! the last sad office pay,And smooth my passage to the realms of day.’;

To free from harshness; to make flowing.

Example: ‘In their motions harmony divineSo smooths her charming tones that God's own earListens delighted.’;

To palliate; to gloze; as, to smooth over a fault.

To give a smooth or calm appearance to.

Example: ‘Each perturbation smoothed with outward calm.’;

To ease; to regulate.

To flatter; to use blandishment.

Example: ‘Because I can not flatter and speak fair,Smile in men's faces, smooth, deceive and cog.’;

the act of smoothing;

Example: ‘he gave his hair a quick smooth’;

make smooth or smoother, as if by rubbing;

Example: ‘smooth the surface of the wood’;

(of surfaces) make shine;

Example: ‘shine the silver, please’; ‘polish my shoes’;

free from obstructions;

Example: ‘smooth the way towards peace negociations’;

having a surface free from roughness or bumps or ridges or irregularities;

Example: ‘smooth skin’; ‘a smooth tabletop’; ‘smooth fabric’; ‘a smooth road’; ‘water as smooth as a mirror’;

smoothly agreeable and courteous with a degree of sophistication;

Example: ‘he was too politic to quarrel with so important a personage’; ‘the hostess averted a confrontation between two guests with a diplomatic change of subject’; ‘the manager pacified the customer with a smooth apology for the error’; ‘affable, suave, moderate men...smugly convinced of their respectability’;

of the margin of a leaf shape; not broken up into teeth

not marked with wrinkles;

Example: ‘unwrinkled cheeks’;

smooth and unconstrained in movement;

Example: ‘a long, smooth stride’; ‘the fluid motion of a cat’; ‘the liquid grace of a ballerina’; ‘liquid prose’;

without breaks between notes; smooth and connected;

Example: ‘a legato passage’;

without chinks or crannies

lacking obstructions or difficulties;

Example: ‘the bill's path through the legislature was smooth and orderly’;

Any substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma.

Intravenous fluids.

(not comparable) Of or relating to fluid.

In a state of flux; subject to change.

Moving smoothly, or giving the impression of a liquid in motion.

(of an asset) Convertible into cash.

(rare) Genderfluid.

Having particles which easily move and change their relative position without a separation of the mass, and which easily yield to pressure; capable of flowing; liquid or gaseous.

A fluid substance; a body whose particles move easily among themselves.

a substance that is fluid at room temperature and pressure

a continuous amorphous substance that tends to flow and to conform to the outline of its container: a liquid or a gas

subject to change; variable;

Example: ‘a fluid situation fraught with uncertainty’; ‘everything was unstable following the coup’;

characteristic of a fluid; capable of flowing and easily changing shape

smooth and unconstrained in movement;

Example: ‘a long, smooth stride’; ‘the fluid motion of a cat’; ‘the liquid grace of a ballerina’; ‘liquid prose’;

in cash or easily convertible to cash;

Example: ‘liquid (or fluid) assets’;

affording change (especially in social status);

Example: ‘Britain is not a truly fluid society’; ‘upwardly mobile’;

a substance that has no fixed shape and yields easily to external pressure; a gas or (especially) a liquid

Example: ‘body fluids’; ‘a bottle of cleaning fluid’;

(of a substance) able to flow easily

Example: ‘the paint is more fluid than tube watercolours’;

smoothly elegant or graceful

Example: ‘her movements were fluid and beautiful to watch’;

not settled or stable; likely or able to change

Example: ‘the fluid political situation of the 1930s’; ‘our plans are still fluid’;

(of a clutch or coupling) using a liquid to transmit power.

In physics, a fluid is a liquid, gas, or other material that continually deforms (flows) under an applied shear stress, or external force. They have zero shear modulus, or, in simpler terms, are substances which cannot resist any shear force applied to them.