How many words are in this list?

This page gives 100 Portuguese words on “Science and technology”. The full topic holds 193 in the KoKo app: 77 at the easy level, 67 at the medium level and 49 at the hard level.

Which words should I start with?

With level 1: these are the easiest words of the topic. Move on to level 2 once they come to you without thinking, then to level 3.

How can I remember this Portuguese vocabulary?

By seeing each word again at longer and longer intervals, just before you forget it: that is spaced repetition. The KoKo app does it for you and tells you each day which words to review.

Can I print this list or save it as a PDF?

Yes. The “Print the list” button at the top of the page opens your device’s print dialog: choose to save as PDF to keep the 100 words and their translation, with nothing else around them.

Portuguese vocabulary: science and technology

Experiment, energy, machine, research: the words of science and technology in Portuguese.

Here are 100 Portuguese words on “Science and technology”, translated into English and sorted from easiest to hardest.

Level 1: easy 40 words

Portuguese	English
ácido	acid
análise	analysis
buraco negro	black hole
cálculo	calculation
célula	cell
circuito	circuit
material condutor	conducting material
corrente	current
diferença	difference
descoberta	discovery
elemento	element
potência	exponent
força	force
gás	gas
hipótese	hypothesis
instrumento	instrument
laboratório	laboratory
luz	light
máquina	machine
massa	mass
média	mean
medição	measurement
metal	metal
número	number
organismo	organism
progresso	progress
prova	proof
raio	ray
resistência	resistance
ciência	science
sólido	solid
espécie	species
velocidade	speed
mola	spring
estrela	star
estatística	statistic
soma	sum
técnica	technique
testar	to test
peso	weight

Level 2: medium 35 words

Portuguese	English
aceleração	acceleration
adição	addition
área	area
átomo	atom
combustão	combustion
curva	curve
ADN	DNA
engenharia	engineering
fração	fraction
gerador	generator
gravidade	gravity
hidrogénio	hydrogen
invenção	invention
laser	laser
matriz	matrix
mecanismo	mechanism
molécula	molecule
ótica	optics
oxigénio	oxygen
patente	patent
probabilidade	probability
protótipo	prototype
foguetão	rocket
amostra	sample
satélite	satellite
sensor	sensor
simulação	simulation
espetro	spectrum
teorema	theorem
demonstrar	to demonstrate
conceber	to design
replicar	to replicate
variável	variable
onda	wave
comprimento de onda	wavelength

Level 3: hard 25 words

Portuguese	English
álgebra	algebra
asteroide	asteroid
copo de precipitação	beaker
biotecnologia	biotechnology
ebulição	boiling
circunferência	circumference
condensação	condensation
fissão	fission
atrito	friction
engrenagem	gear wheel
logaritmo	logarithm
microscópio	microscope
nanotecnologia	nanotechnology
oxidação	oxidation
partícula	particle
tabela periódica	periodic table
pipeta	pipette
roldana	pulley
refração	refraction
raiz quadrada	square root
subtração	subtraction
telescópio	telescope
tubo de ensaio	test tube
transformador	transformer
imponderabilidade	weightlessness

In Brazil, people say

KoKo also teaches Brazilian Portuguese. Among the words on this page, here are the ones that change.

hydrogen hidrogénio hidrogênio
optics ótica óptica
oxygen oxigénio oxigênio
rocket foguetão foguete
spectrum espetro espectro
beaker copo de precipitação béquer
weightlessness imponderabilidade ausência de gravidade

Mini quiz

5 words from this page, picked at random. Find their translation.

Frequently asked questions

How many words are in this list?: This page gives 100 Portuguese words on “Science and technology”. The full topic holds 193 in the KoKo app: 77 at the easy level, 67 at the medium level and 49 at the hard level.
Which words should I start with?: With level 1: these are the easiest words of the topic. Move on to level 2 once they come to you without thinking, then to level 3.
How can I remember this Portuguese vocabulary?: By seeing each word again at longer and longer intervals, just before you forget it: that is spaced repetition. The KoKo app does it for you and tells you each day which words to review.
Can I print this list or save it as a PDF?: Yes. The “Print the list” button at the top of the page opens your device’s print dialog: choose to save as PDF to keep the 100 words and their translation, with nothing else around them.

How KoKo makes words stick

These lists come from KoKo, the app to learn Portuguese vocabulary on iPhone.