infinitesimal calculus
noun
the differential calculus and the integral calculus, considered together.
Origin of infinitesimal calculus
First recorded in 1795–1805
Words nearby infinitesimal calculus
infinite integral,
infinite product,
infinite regress,
infinite series,
infinitesimal,
infinitesimal calculus,
infinitival,
infinitive,
infinitive clause,
infinitive marker,
infinitize