(mineralogy) A monoclinic-prismatic reddish brown mineral containing aluminum, calcium, iron, oxygen, and silicon.

The doctrines or practices of the Essenes.

plural of Essenism

(physics) kinetic quintessence

Relating to the Essenes.

(mathematical analysis) The supremum (least upper bound) of a function which holds almost everywhere. In symbols, ess sup f= inf M:𝜇(x:f(x)>M)=0

(mathematical analysis) The infimum (greatest lower bound) of a function which holds almost everywhere. In symbols, ess inf f= sup m:𝜇(x:f(x)<m)=0.

(medicine, chiefly uncountable) A neurological condition that causes rhythmic shaking of unknown cause in one or more parts of the body during voluntary movements.

The process of essentializing.

Third-person singular simple present indicative form of essentialise