one of a set of formulas for finding the curvature and torsion of a plane or space curve in terms of vectors tangent or normal to the curve.
[fruh-net-ik] /frəˈnɛt ɪk/ adjective 1. ; frenzied. /frɪˈnɛtɪk/ adjective 1. distracted or frantic; frenzied adj. late 14c., from Old French frenetike, from Latin phreneticus “delirious,” alteration of Greek phrenitikos, from phrenitis “frenzy,” literally “inflammation of the brain,” from phren “mind, reason” (from PIE *gwhren- “to think”) + -itis. The classical ph- was restored mid-16c. Related: […]
- Frenkel defect
/ˈfrɛnkəl/ noun 1. (physics) a crystal defect in which a lattice ion has moved to an interstitial position leaving a vacant lattice site
frenoplasty fre·no·plas·ty (frē’nə-plās’tē) n. Surgical correction of an abnormally attached frenum.
frenotomy fre·not·o·my (frə-nŏt’ə-mē) n. Incision of a frenum, especially of the frenulum of the tongue.