Examlex
Avogadro's number is the number of grams in a mole.
Condottieri
Condottieri were leaders of mercenary soldiers in Italy during the Middle Ages and Renaissance, hired by city-states and the papacy for military purposes.
Holy Roman Empire
A multi-ethnic complex of territories in central Europe that developed during the Early Middle Ages and lasted until its dissolution in 1806, often led by an emperor elected by the princes.
Patronage
The support, encouragement, privilege, or financial aid that an organization or individual bestows to another.
Industrial Revolution
A period of major industrialization that took place during the late 1700s and early 1800s, radically transforming societies.
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