Synonyms
Antonyms
Etymology

1. first

adjective. ['ˈfɝːst'] preceding all others in time or space or degree.

Synonyms

  • prototypical
  • firstborn
  • archetypical
  • premiere
  • eldest
  • prototypic
  • primary
  • basic
  • prototypal
  • initial
  • prime
  • first-year
  • early
  • archetypal
  • original
  • front
  • premier
  • introductory

Antonyms

  • late
  • middle
  • last
  • secondary
  • back

Etymology

  • first (Middle English (1100-1500))

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2. first

adjective. ['ˈfɝːst'] indicating the beginning unit in a series.

Synonyms

  • ordinal

Antonyms

  • empty
  • immature

Etymology

  • first (Middle English (1100-1500))

3. first

adverb. ['ˈfɝːst'] before anything else.

Synonyms

  • foremost
  • first of all
  • firstly

Antonyms

  • present
  • old
  • past
  • uncreative

Etymology

  • first (Middle English (1100-1500))

4. first

adverb. ['ˈfɝːst'] the initial time.

Antonyms

  • conventional

Etymology

  • first (Middle English (1100-1500))

5. first

noun. ['ˈfɝːst'] the first or highest in an ordering or series.

Synonyms

  • rank
  • former

Antonyms

  • disadvantage
  • refrain
  • leave office

Etymology

  • first (Middle English (1100-1500))

6. first

noun. ['ˈfɝːst'] the first element in a countable series.

Synonyms

  • ordinal
  • number 1
  • no.
  • ordinal number

Antonyms

  • stop
  • close
  • stand still
  • go off

Etymology

  • first (Middle English (1100-1500))

7. law

noun. ['ˈlɔ, ˈlɑː'] the collection of rules imposed by authority.

Synonyms

  • aggregation
  • commercial law
  • tax law
  • precedent
  • ecclesiastical law
  • sharia
  • civil law
  • law of the land
  • collection
  • mercantile law
  • law of nations
  • statutory law
  • securities law
  • martial law
  • international law
  • shariah law
  • accumulation
  • canon law
  • administrative law
  • jurisprudence
  • law merchant
  • military law
  • Mosaic law
  • sharia law
  • assemblage
  • common law
  • shariah
  • Islamic law
  • case law

Antonyms

  • international law
  • push
  • repel
  • abduct

Etymology

  • hlaw (Old English (ca. 450-1100))
  • lawe (Middle English (1100-1500))

8. law

noun. ['ˈlɔ, ˈlɑː'] legal document setting forth rules governing a particular kind of activity.

Synonyms

  • organic law
  • prohibition
  • RICO
  • poor law
  • gag law
  • homestead law
  • public law
  • anti-drug law
  • fundamental law
  • Riot Act
  • antitrust law
  • constitution
  • instrument
  • statute of limitations
  • blue law
  • jurisprudence
  • Racketeer Influenced and Corrupt Organizations Act
  • legal document
  • official document
  • RICO Act
  • anti-racketeering law
  • legal instrument
  • antitrust legislation

Antonyms

  • disassembly
  • civilian
  • pull
  • attract

Etymology

  • hlaw (Old English (ca. 450-1100))
  • lawe (Middle English (1100-1500))

9. law

noun. ['ˈlɔ, ˈlɑː'] a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society.

Synonyms

  • principle
  • conception
  • concept
  • divine law
  • natural law
  • construct

Antonyms

  • pleasure principle
  • reality principle
  • yang
  • yin

Etymology

  • hlaw (Old English (ca. 450-1100))
  • lawe (Middle English (1100-1500))

10. law

noun. ['ˈlɔ, ˈlɑː'] a generalization that describes recurring facts or events in nature.

Synonyms

  • Archimedes' principle
  • Avogadro's hypothesis
  • distribution law
  • equilibrium law
  • law of averages
  • concept
  • law of large numbers
  • Mendel's law
  • Planck's radiation law
  • Avogadro's law
  • Benford's law
  • exclusion principle
  • Pauli exclusion principle
  • principle of relativity
  • periodic law
  • law of nature
  • law of partial pressures
  • power law
  • law of reciprocal proportions
  • law of effect
  • Mariotte's law
  • Kirchhoff's laws
  • law of thermodynamics
  • law of diminishing returns
  • Stevens' law
  • Henry's law
  • law of gravitation
  • Ohm's law
  • Planck's law
  • law of multiple proportions
  • Dalton's law of partial pressures
  • law of chemical equilibrium
  • Hubble law
  • Newton's law of motion
  • law of motion
  • law of mass action
  • theory
  • Boyle's law
  • all-or-none law
  • Weber's law
  • Fechner's law
  • law of constant proportion
  • Dalton's law
  • Mendeleev's law
  • law of definite proportions
  • Kepler's law
  • law of Archimedes
  • Coulomb's Law
  • Weber-Fechner law
  • Kepler's law of planetary motion
  • Charles's law
  • principle
  • law of equivalent proportions
  • Bernoulli's law
  • Bose-Einstein statistics
  • conception
  • Pascal's law of fluid pressures
  • Hooke's law
  • Newton's law of gravitation
  • Pascal's law
  • Gay-Lussac's law
  • Stevens' power law
  • construct
  • Fermi-Dirac statistics
  • Newton's law
  • rule
  • Hubble's law

Antonyms

  • uncreativeness
  • ending
  • level
  • fauna

Etymology

  • hlaw (Old English (ca. 450-1100))
  • lawe (Middle English (1100-1500))

Example sentences of the word first-law-of-thermodynamics


1. Noun Phrase
In combination with the first law of thermodynamics, this law can be used to describe the stages of a heat engine cycle.

2. Noun Phrase
As before, this means that the work done by the system is exactly balanced by the heat lost to the system, by the first law of thermodynamics.

3. Noun Phrase
The first law of thermodynamics says that the change in energy equals the sum of the heat added and the work done.

4. Noun Phrase
This also makes it easier to describe using the first law of thermodynamics and the ideal gas law.

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