RESPIRATION

Noun11 lettersValid in our Scrabble word list
Unscramble RESPIRATION

Quick definition

RESPIRATION is the biological process of exchanging gases, specifically taking in oxygen and releasing carbon dioxide, essential for cellular energy production.

Is RESPIRATION a valid Scrabble word?

Yes. RESPIRATION is in the Scrabble-style word list used by our tools and scores 13 points in Scrabble, 15 in Words With Friends and 14 in Wordfeud (base tile values, no board multipliers). Always check the dictionary your game uses (NWL, Collins or the WWF list) before playing.

LetterRESPIRATIONTotal
Scrabble1113111111113
Words With Friends1114111111215
Wordfeud1114111111114

Definition and meaning

RESPIRATION is the fundamental biological process by which living organisms exchange gases with their environment, typically involving the intake of oxygen and release of carbon dioxide. This process occurs at two levels: cellular respiration (internal) and breathing (external respiration). At the cellular level, respiration is the metabolic process that converts nutrients into ATP (adenosine triphosphate), the energy currency of cells. This involves breaking down glucose and other organic molecules in the presence of oxygen. Types of respiration: Aerobic respiration: Uses oxygen to produce ATP efficiently (C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP) Anaerobic respiration: Occurs without oxygen, producing less ATP and different byproducts External respiration: Gas exchange in lungs or gills Internal respiration: Gas exchange between blood and tissues

RESPIRATION in a sentence

  • The doctor monitored the patient's respiration rate to ensure adequate oxygen exchange.
  • During intense exercise, cellular respiration increases dramatically to meet energy demands.

Synonyms

  • BreathingThe physical act of inhaling and exhaling
  • VentilationMedical term for breathing process
  • Gas exchangeScientific term for oxygen/CO₂ transfer
  • Inhalation/ExhalationThe two phases of breathing
  • MetabolismRelated cellular energy processes
  • PhotosynthesisOpposite process in plants producing oxygen
  • OxidationChemical process of combining with oxygen
  • ATP synthesisEnergy production in cells

Word forms

  • Verb Form: respire
  • Adjective Form: respiratory

Origin

The word respiration comes from the Latin respiratio, from respirare meaning "to breathe again" or "breathe back." This combines re- (again) + spirare (to breathe), related to spiritus (breath, spirit). The term entered English in the 15th century, initially referring only to the act of breathing. The understanding of cellular respiration developed much later, in the 19th century, when scientists discovered the connection between breathing and cellular energy production. The link between respiration and combustion was established by Antoine Lavoisier in the 1770s, revolutionizing our understanding of metabolism.

Anagrams, hooks and words inside RESPIRATION

Anagrams: no other word uses exactly the letters of RESPIRATION.

Hooks: no front hooks; back RESPIRATIONS.

Words inside RESPIRATION: 1139 shorter words can be made from these letters – highest scoring: INSPIRATORPRETORIANSATROPINESPATRONISEPRETORIANPRETRAINSPRIORATESTERRAPINSTOPIARIESTRANSPIREAIRPORTSAIRSTRIP. See all words from RESPIRATION.

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