a sudden or disastrous event that destroys or changes a whole region or system

cataclismo, desastre
a person, thing, or event that provokes or accelerates change or activity by introducing new perspectives or actions

catalisador, gatilho
a large weapon that was used in ancient times to throw stones or other objects with great force

catapulta, balista
a large waterfall where water rushes forcefully over a height

catarata, cachoeira
the degree of roundness exhibited by a three-dimensional object

esfericidade, redondeza
(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points

esferoide, elipsoide de revolução
a measuring tool used to determine the roundness of a curved surface

esferômetro, instrumento de medição usado para determinar a redondeza de uma superfície curva
someone who moves from one country to another with the intention of settling there permanently

emigrante, migrante
to leave one's own country in order to live in a foreign country

emigrar, mudar-se para o exterior
to disturb or unsettle someone, causing them to feel worried or uneasy

perturbar, incomodar
a disruption or disturbance of a normal state of mind or emotions

perturbação, distúrbio
to temporarily stitch two pieces of fabric together with long, loose stitches that can later be easily removed

alinhar, bastir
a fortified structure extending from a wall, typically angled, for defensive purposes

baluarte, bastião
someone who spends or uses resources recklessly or wastefully

pródigo, esbanjador
impressively great in amount or degree

prodigioso, considerável
a remarkable example of a particular quality, skill, or achievement

prodígio, maravilha
an individual, often a leader or authority figure, who possesses the power to create laws, particularly not directly elected by the people

legislador, dador de leis
someone who can write or approve a law as a member of a legislative body, usually elected by people

legislador, parlamentar
Habilidades de Palavras do SAT 2 |
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