Skip to main content
law

law

234 5.0
A general rule from repeated observations that explains how nature works
  • noun
  • /lɔː/
  • Specialized
: ley
  • Scientists rely on the law of conservation of energy in their experiments.
  • inverse law
  • Zipf's law
  • physical laws

That's the like the laws of physics of their system.

Autoplay Next

Examples

  • It's the law of economics.

  • We can use the law of sines for this one.

  • And that is what the law of thinking is.

  • Hi, in this video we're going to introduce the law of signs.

  • Have you ever heard of the law of secondary gain?

  • We are restricted by the laws of nature.

  • The member countries of the COMECON have ignored environmental policy and law for over three decades.

    Academic text (1990)
  • I've been having some trouble with the laws governing chemical bonds.

  • The law of gravity explains why objects fall towards the Earth.

  • According to the law of supply and demand, prices tend to rise when demand exceeds supply.

Synonyms

principle
vslaw
580 3.8

A basic idea or law that explains how something works

is an empirical generalization based on repeated observations not just a basic idea
law of physics
vslaw
  • Specialized
41 3.8

A rule that describes how nature behaves, often shown with a formula

is broader applying to scientific generalizations beyond just the material world
law of nature
vslaw
  • Specialized
30 3.9

A basic rule scientists find about how the world works

refers specifically to a scientific generalization based on repeated observations

Idioms

13 5.5

Tell people firmly what they must do

6 6.3

A situation where only the strongest people succeed without fair rules

word is law
  • Informal
4 8.5

People must do what someone says without question

The power of police to find and catch criminals far away

his word is law
  • Informal
1 7.6

People must do what one person says without question

1 9.3

When things can go wrong, they often do

8.4

What the mother decides must be followed without question

Compounds

687 3.2

The work police do to stop crime, find criminals, and make people obey the law

653 2.1

A person related to you by marriage, for example your spouse's parent or sibling

333 3.2

A school where students study to become lawyers

190 2.6

A company of lawyers who give legal help to people and companies

public law
  • Specialized
173 4.6

Rules about how the government deals with people and society

153 1.6

A man in your family by marriage, for example your spouse's brother or your sister's husband

126 1.6

The mother of your husband or wife

105 2.1

A man who is married to your daughter

rule of law
  • Formal
99 3.7

All people and organizations, including officials, must follow the same fair laws

96 1.3

A sister of your husband or wife

Rules that countries follow when they deal with each other

80 3.2

A place where a judge hears and decides cases about the law

74 1.4

The father of your husband or wife

65 2.2

A person who makes sure people follow the law, like a police officer or sheriff

A group that makes sure people follow rules and stops crime and finds who did it

58 3.4

Following the law and not breaking rules

A woman who is married to someone's son

44 2.6

A student who studies law at a university or law school

law of physics
  • Specialized
41 3.8

A rule that describes how nature behaves, often shown with a formula

tax law
  • Specialized
36 2.9

Rules that tell how governments set and collect taxes

36 4.7

Main laws of a country made by its government

martial law
  • Formal
35 7.7

Temporary military rule over a country that replaces normal law during a war or crisis

criminal law
  • Specialized
34 3.4

Rules that say which acts are crimes and how people are punished

34 3.0

A university certificate that shows someone finished law studies

natural law
  • Formal
32 6.5

A set of moral rules that come from human nature and apply to everyone

31 8.3

Law based on Islamic teachings that guides family and personal life

law of nature
  • Specialized
30 3.9

A basic rule scientists find about how the world works

civil law
  • Specialized
23 4.1

A system of law about private rights and disputes between people

case law
  • Specialized
22 5.6

Judges make rules from earlier court decisions

21 3.5

A school at a university where people study law to become lawyers

20 4.8

A system of rules for life and law based on the Qur'an and the Prophet Muhammad's teachings

common law
  • Specialized
19 3.8

A system where judges use past court decisions and customs rather than written laws

12 3.7

A business where lawyers give legal help to people and companies

matter of law
  • Formal
12 7.4

An issue a judge decides about how the law applies

12 2.5

A book that gives official rules and legal information

11 3.7

The rules a country or state has about when and how people can legally end a pregnancy

Newton's law
  • Specialized
10 3.8

Three basic rules that explain how pushes and pulls change the motion of objects

law of thermodynamics
  • Specialized
10 5.4

A basic rule that explains how energy moves and changes in closed systems

canon law
  • Specialized
8 8.9

Rules made by a Christian church to govern its members

corporate law
  • Specialized
8 3.9

Rules about how companies are formed, run, and controlled

8 5.5

A rule that the government must follow fair legal steps before taking someone's life, freedom, or property

patent law
  • Specialized
7 4.9

Rules about who owns and can use an invention

Work a lawyer does to give advice, prepare documents, and represent people in court

antitrust law
  • Specialized
7 4.3

Government rules that stop one company from controlling a market and protect competition

military law
  • Specialized
6 5.0

Rules that control the behavior, trials, and punishments of people in the armed forces

6 3.7

Doing things that are illegal

administrative law
  • Specialized
6 5.3

Rules and decisions that tell government agencies how to act

contract law
  • Specialized
6 4.1

Law that deals with agreements and the duties people or businesses have to each other

6 9.0

Laws in the United States that kept Black and white people apart, mainly in the South

6 7.0

Energy naturally spreads from hot places to cold ones, increasing disorder

A man who is married to your spouse's brother or sister

securities law
  • Specialized
6 6.0

Rules about how companies sell or issue stocks and bonds

maritime law
  • Specialized
6 6.0

Law about ships, navigation, and trade at sea

6 6.2

Law made by parliament or congress, not by judges

law of motion
  • Specialized
5 3.9

A rule that shows how pushes and pulls change how things move, for example by starting or stopping

5 3.1

A place where a judge hears cases and gives decisions

The idea that after many tries results tend to match what is expected on average

4 6.6

Religious laws given by God to the Israelites through Moses, including the Ten Commandments

4 5.6

A set of basic rules that explains how a country's government works and what rights people have

4 6.6

A funny idea that if something can go wrong, it will

4 3.6

A person who makes, changes, or ends laws as a member of a government group

A friend who is also family through marriage, for example your spouse's brother

4 8.2

A rule people believe comes directly from God rather than from laws made by people

3 7.4

A set of religious rules from Islam based on the Koran and Muhammad's teachings that guide how people live

statutory law
  • Formal
3 5.9

Laws made by a parliament or congress and written down

Roman law
  • Specialized
3 8.1

A system of rules used in ancient Rome that influenced many modern civil laws

unwritten law
  • Specialized
3 7.2

A rule people follow because of custom rather than being made by the government

3 3.5

Three basic rules that explain how objects move and push each other in physics

3 3.0

A person who breaks the law

law of nations
  • Specialized
3 6.7

Rules that tell how countries must act with each other

lemon law
  • Formal
3 4.2

A law that helps buyers get a refund or replacement for vehicles that keep breaking

higher law
  • Formal
3 8.4

A moral rule that is more important than rules made by the government

Newton's third law
  • Specialized
3 4.1

When one object pushes another, the other object pushes back equally

How Certain

law
  • Specialized
234 5.0
theory
∞ 3.2
hypothesis
160 6.1
guess
601 1.0

Surface Forms

law singular
laws plural

Etymology

Law comes from an old word meaning 'to lay', as in lay. In science, a law is a regular rule that seems to be 'laid down' by nature because it happens the same way again and again, so we can rely on it.