Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Word Explorer
Children's Dictionary
Help
Help
Help
Multi-word Results
autism spectrum disorder any of a group of developmental disorders, including autism and Asperger's syndrome, marked by repetitive behavior and problems with communication and social interaction.
broad-spectrum of an antibiotic, widely effective or applicable.
electromagnetic spectrum the entire range of electromagnetic frequencies from radio, the lowest, to gamma rays, the highest.
radio spectrum the portion of the electromagnetic spectrum consisting of radio waves, esp. those most frequently used in radio and television broadcasting, from ten kilohertz to 300 gigahertz.