(marine chemistry) A measure of how readily ocean waters will uptake atmospheric carbon dioxide.

(fluid mechanics) A dimensionless friction factor relating the head loss over a pipe to the lengthscale of the pipe and the fluid velocity.

(physics) A collider-based scientific machine designed to produce a large number (at least 10⁹) of B mesons.

factual

In a factic manner.

(category theory) Said of a morphism: to be equal to a composition of two morphisms, one of which is the given morphism (that is being said to be "factored through").

(medicine, archaic) A variety of bandy leg, associated with partial dislocation of the tibia, once seen in young children who worked in factories.

plural of factor analysis

(uncountable, statistics) A statistical method used to describe variability among observed correlated variables in terms of one or more unobserved variables (called factors).

(military, slang) The level of stress and/or adrenaline in a dangerous situation.