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principle

principle

580 3.8
A basic idea or law that explains how something works
  • noun
  • /ˈprɪn.sə.pəl/
: principio
  • The program is designed according to the principle, "From the nearest to the most distant."
  • a basic principle
  • apply principles
  • a fundamental principle

This comes from the psychological principle of addiction.

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Examples

  • He always follows the principle of honesty, believing it is essential in both personal and professional relationships.

  • So that's the guiding principle from which I proceed.

  • There is a physical principle, a law about light.

  • What is the principle that allows us to do that?

  • It's the same physics principle at work there.

  • One of the basic principles of physics... is that what goes up must come down.

  • Those are the central principles that built this into a billion-dollar business.

  • An approach along the lines of the principles of cognitive behavioral therapy can be helpful.

    Academic text (2011)
  • In a Valliant administration, we will be focusing on two key principles: Shared responsibility and shared sacrifice.

  • The scientist explained the principle of gravity to her students, emphasizing how objects are attracted to one another.

Synonyms

rule
vsprinciple
∞ 1.0

An instruction or law that tells people what to do

is a foundational explanatory truth rather than an imposed instruction
foundation
vsprinciple
292 3.5

The basic ideas and facts that support a belief, plan, or system

is more specifically a law or truth that explains functioning
law
vsprinciple
  • Specialized
234 5.0

A general rule from repeated observations that explains how nature works

is a basic explanatory truth that can include but is not limited to such generalizations
cornerstone
vsprinciple
49 5.3

A very important idea or part that something depends on

is a general explanatory truth rather than a single key element
fundamental
vsprinciple
40 3.8

A basic idea or rule that something depends on

is more tied to explaining how things operate as underlying truths
basic principle
vsprinciple
31 2.7

An important rule or idea that forms the base for other knowledge

is broader and often framed as a natural or scientific truth
law of nature
vsprinciple
  • Specialized
30 3.9

A basic rule scientists find about how the world works

is a general foundational truth, not only universally observed regularities
axiom
vsprinciple
23 7.5

A basic statement accepted as true and used as a starting point for reasoning

is less about assumed starts and more about observed explanatory truths
fundamental principle
vsprinciple
17 4.1

A basic rule that other ideas come from

is the same core truth described more generally in science and reasoning
first principles
vsprinciple
  • Formal
14 5.8

Basic ideas and facts that form the foundation of a subject

is similar but used more widely for basic explanatory truths
fundament
vsprinciple
1 9.4

A basic idea that something is built on

is more about general explanatory truth than a mere assumption
working principle
vsprinciple
  • Specialized
1 4.1

A rule that explains how a machine or system works

is more general, covering laws or truths beyond devices or mechanisms
principia
vsprinciple
  • Formal
1 9.9

Basic ideas and rules of a subject

focuses specifically on laws or truths that explain how things work
principium
vsprinciple
  • Formal
9.9

A basic idea or starting point that explains other things

is the everyday scientific or technical truth used to explain systems

Idioms

52 4.3

People agree to it in general but details are not decided

Compounds

An important rule or idea that forms the base for other knowledge

A basic rule that other ideas come from

A rule or belief about what is right and wrong that guides how people act

uncertainty principle
  • Specialized
4 9.2

You cannot know both the position and speed of tiny particles exactly at the same time

3 4.6

A basic rule that guides laws and judges

accounting principle
  • Specialized
2 3.9

A rule companies use to record and report the money they receive and pay

1 7.9

Laws of physics are the same for people moving at a steady speed

exclusion principle
  • Specialized
1 9.9

A rule that no two identical particles, such as electrons, can be in the same state at the same time

pleasure principle
  • Specialized
1 8.6

A strong drive to get what you want right away without thinking about bad results

1 9.9

A quantum physics rule that stops two electrons from being in the same state

working principle
  • Specialized
1 4.1

A rule that explains how a machine or system works

1 9.7

A rule that gravity and acceleration produce the same effects in a small area

A rule that says about 80% of results come from 20% of causes

1 8.9

Part of the mind that makes you act to meet needs in the real world rather than wishes

vital principle
  • Archaic
1 9.9

An imagined life force thought to make living things grow and work

Archimedes' principle
  • Specialized
1 5.3

A rule that a thing in a liquid is pushed up by the weight of the liquid it moves

1 6.8

A rule that says a balanced chemical system shifts to undo a change and move back toward balance

1 7.5

An idea that, among different explanations, you should choose the simplest one

1 7.7

The lowest layer in a series of rock layers is the oldest

1 7.4

A basic rule judges use when they make decisions in court

Dilbert principle
  • Literature
1 8.9

A funny idea that companies move their least able workers into manager jobs

1 8.1

A law that when waves overlap their effects add up at each point

1 9.9

A supposed force that makes living things grow and act

bitter principle
  • Specialized
1 8.9

A plant chemical with a very bitter taste used in some medicines

1 9.9

A rule in physics that you cannot know a particle's position and how fast it moves at the same time

1 7.7

A rule that in rock layers left in place the bottom layer is oldest

A belief that mixes ideas from Christianity and Islam

7.4

A chemistry rule saying a balanced reaction changes to oppose a change and reach a new balance

A rule saying a balanced system moves to reduce a change and reach a new balance

8.1

The idea that different brain parts do different jobs, like language or movement

mass-action principle
  • Specialized
9.8

A theory that large areas of the brain work together for complex tasks

Galilean principle
  • Specialized
7.6

Rules of motion are the same in places moving at steady speed

How people group things they see into whole shapes, for example when close or similar pieces look like one object

Movement at any point is the sum of the movements caused by each wave

The amount of liquid pushed aside equals the volume of an object under the liquid

8.8

A natural drive that makes people seek pleasure and avoid pain, often in early childhood

A part of the mind that wants things now, avoids bad feelings, and treats fantasy like reality

How Fundamental

axiom
23 7.5
law
  • Specialized
234 5.0
principle
580 3.8
rule
∞ 1.0
rule of thumb
  • Informal
34 3.8

Surface Forms

principle singular
principles plural

Etymology

Principle comes from the Latin word principium meaning 'beginning' or 'first thing'. Think of a scientific or logical principle as the 'first idea' or basic law that explains how something works, which is why the word means a fundamental rule.