(oil industry) To employ hydraulic fracturing (fracking).

(slang, euphemistic) Fuck.

Alternative form of freck

plural of fractal dimension

A measure of response time which uses the concept of fractal dimension in order to resolve variability of average response time with respect to sample size of time series.

plural of fractal response time

simple past tense and past participle of frack

(medicine) A fracture of the distal third of the humerus resulting in entrapment of the radial nerve.

Third-person singular simple present indicative form of frack

(mathematics, arithmetic) Any fraction in which either or both of the numerator or denominator are themselves fractions.