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

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

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

katapult, střelná zbraň
a large waterfall where water rushes forcefully over a height

vodopád, kaskáda
the degree of roundness exhibited by a three-dimensional object

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

sferoid, elipsoid
a measuring tool used to determine the roundness of a curved surface

sferometr, sferometr přístroj
someone who moves from one country to another with the intention of settling there permanently

emigrant, migrátor
to leave one's own country in order to live in a foreign country

emigrovat, opustit vlast
to disturb or unsettle someone, causing them to feel worried or uneasy

vyrušit, znepokojit
a disruption or disturbance of a normal state of mind or emotions

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

baste, spnout
a fortified structure extending from a wall, typically angled, for defensive purposes

bastion, opevněná věž
someone who spends or uses resources recklessly or wastefully

zvědavec, marnotratník
a remarkable example of a particular quality, skill, or achievement

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

zákonodárce, zákonodárný činitel
someone who can write or approve a law as a member of a legislative body, usually elected by people

zákonodárce, poslanec
