plural of Fresnel zone plate

(physiology, neuroscience) An area of the medulla oblongata, located in the area postrema, that receives inputs from blood-borne drugs or hormones, and communicates with other structures in the vomiting center to initiate vomiting.

(historical, from 1936 until 1956) The territory stretching around the course of the Suez Canal.

(history) The territory within Panama, stretching along the course of the Panama Canal but excluding the sea port cities Panama City and Colón under the 18 November 1903 lease treaty until the return of state control on 30 September 1979.

A concept developed by Soviet psychologist and social constructivist Lev Vygotsky: the difference between what a learner can do without help and what he or she can do with help.

(embryology) A region of mesenchymal connective tissue that carries instructions which direct the developing limb bud to form along the anterior-posterior axis.

(programming) In JavaScript, the lines of code preceding the declaration of a variable.

(politics, US) An area set aside in public places for the purpose of protesting.

plural of neutral-zone infraction

plural of offensive zone