(physics) A spectrum produced by a diffraction grating whose adjacent slits are one wavelength apart.

plural of autism spectrum disorder

(pharmacology) Any antibiotic that is active against a wide range of bacteria, especially against both gram-positive and gram-negative bacteria.

A form of electromagnetic communication in which the signal frequency or bandwidth is spread beyond that required, rendering it more difficult to intercept or jam, or to send multiple signals over the same band

plural of broad-spectrum antibiotic

(medicine) Any disorder characterised by symptoms associated with autism.

plural of autistic spectrum disorder

(military) Dominance of the battlespace to permit conduct of joint operations with neither effective counterattack nor resistance.

Alternative form of full-spectrum superiority

plural of fetal alcohol spectrum disorder