Portuguese reference

Portuguese science vocabulary

117 words with English translations. 61 of them appear in the 5,000 most common Portuguese words, and the table shows exactly where each one ranks — so you can learn the ones you will actually hear first.

117words
61in the top 5,000
Portugueselanguage
WordEnglishHow common
a forçaforce#822 0.011% of speech
a energiaenergy#523 0.018% of speech
a gravidadegravity#3004 0.002% of speech
a velocidadevelocity#1302 0.007% of speech
a aceleraçãoacceleration#4611 0.001% of speech
a massamass#919 0.010% of speech
o trabalhowork#116 0.077% of speech
a potênciapower#2913 0.002% of speech
a temperaturatemperature#1665 0.005% of speech
a pressãopressure#1027 0.009% of speech
a densidadedensity#4522 0.001% of speech
o volumevolume#1455 0.006% of speech
o calorheat#1690 0.005% of speech
a ondawave#1300 0.007% of speech
a eletricidadeelectricity#3370 0.001% of speech
o magnetismomagnetismoutside the top 5,000
a energia cinéticakinetic energyoutside the top 5,000
a energia potencialpotential energyoutside the top 5,000
o circuitocircuit#2803 0.002% of speech
a cargacharge#1729 0.005% of speech
o átomoatomoutside the top 5,000
a moléculamoleculeoutside the top 5,000
o elementoelement#1059 0.009% of speech
o compostocompound#2234 0.004% of speech
a ligação químicachemical bondoutside the top 5,000
a reação químicachemical reactionoutside the top 5,000
o ácidoacid#3015 0.002% of speech
a basebase#398 0.024% of speech
o pHpHoutside the top 5,000
a soluçãosolution#883 0.011% of speech
o solventesolventoutside the top 5,000
o solutosoluteoutside the top 5,000
a concentraçãoconcentration#2626 0.003% of speech
o catalisadorcatalystoutside the top 5,000
o gásgas#1391 0.007% of speech
o líquidoliquid#3331 0.001% of speech
o sólidosolid#4502 0.001% of speech
a tabela periódicaperiodic tableoutside the top 5,000
a massa molarmolar massoutside the top 5,000
o reagentereactantoutside the top 5,000
o produtoproduct#721 0.013% of speech
o íonionoutside the top 5,000
o elétronelectronoutside the top 5,000
o prótonprotonoutside the top 5,000
o nêutronneutronoutside the top 5,000
a célulacell#2173 0.004% of speech
o núcleonucleus#2632 0.003% of speech
a membrana celularcell membraneoutside the top 5,000
o citoplasmacytoplasmoutside the top 5,000
o DNADNAoutside the top 5,000
o RNARNAoutside the top 5,000
o tecidotissue#3100 0.002% of speech
o órgãoorgan#1242 0.008% of speech
o sistemasystem#232 0.041% of speech
o organismoorganism#3644 0.001% of speech
a espéciespecies#911 0.010% of speech
a populaçãopopulation#341 0.028% of speech
a comunidadecommunity#524 0.018% of speech
o ecossistemaecosystemoutside the top 5,000
a evoluçãoevolution#2005 0.004% of speech
o genegene#4007 0.001% of speech
o cromossomochromosomeoutside the top 5,000
a mitosemitosisoutside the top 5,000
a fotossíntesephotosynthesisoutside the top 5,000
o habitathabitatoutside the top 5,000
a cadeia alimentarfood chainoutside the top 5,000
o metabolismometabolismoutside the top 5,000
a homeostasehomeostasisoutside the top 5,000
o hospedeirohostoutside the top 5,000
o patógenopathogenoutside the top 5,000
o universouniverse#1474 0.006% of speech
a galáxiagalaxy#4421 0.001% of speech
a estrelastar#1658 0.005% of speech
o planetaplanet#1089 0.009% of speech
o satélitesatellite#2915 0.002% of speech
o cometacomet#1500 0.006% of speech
o asteroideasteroidoutside the top 5,000
o buraco negroblack holeoutside the top 5,000
a nebulosanebulaoutside the top 5,000
o sistema solarsolar systemoutside the top 5,000
a órbitaorbitoutside the top 5,000
o telescópiotelescopeoutside the top 5,000
o solsun#750 0.013% of speech
a luamoon#1496 0.006% of speech
o eclipseeclipse#4907 0.001% of speech
a constelaçãoconstellationoutside the top 5,000
o meteoritometeoriteoutside the top 5,000
o cosmoscosmosoutside the top 5,000
o horizonte de eventosevent horizonoutside the top 5,000
o ano-luzlight-yearoutside the top 5,000
o observatórioobservatory#3960 0.001% of speech
a exploração espacialspace explorationoutside the top 5,000
o planeta Terraplanet earthoutside the top 5,000
a atmosferaatmosphere#2943 0.002% of speech
o climaclimate#1437 0.006% of speech
o tempoweather#82 0.116% of speech
a rocharock#2095 0.004% of speech
o solosoil#1243 0.008% of speech
o oceanoocean#2765 0.002% of speech
o continentecontinent#2286 0.003% of speech
o vulcãovolcanooutside the top 5,000
o terremotoearthquake#4701 0.001% of speech
a erosãoerosionoutside the top 5,000
o sedimentosedimentoutside the top 5,000
o globo terrestreglobeoutside the top 5,000
o ciclo da águawater cycleoutside the top 5,000
a camada de ozônioozone layeroutside the top 5,000
a energia geotérmicageothermal energyoutside the top 5,000
o mineralmineral#3830 0.001% of speech
a montanhamountain#1426 0.006% of speech
o rioriver#2381 0.003% of speech
o lagolake#1947 0.004% of speech
a crosta terrestreEarth's crustoutside the top 5,000
o núcleo terrestreEarth's coreoutside the top 5,000
a placa tectônicatectonic plateoutside the top 5,000
o fóssilfossil#4731 0.001% of speech
a chuva ácidaacid rainoutside the top 5,000

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