1. (noun) an ordered array of the components of an emission or wave

• absorption spectrum
• acoustic spectrum
• sound spectrum
• action spectrum
• atomic spectrum
• color spectrum
• visible spectrum
• electromagnetic spectrum
• emission spectrum
• infrared spectrum
• line spectrum
• mass spectrum
• microwave spectrum
• radio spectrum
• radio-frequency spectrum
• ultraviolet spectrum

1. (noun) an ordered array of the components of an emission or wave

• array

2. (noun) a broad range of related objects or values or qualities or ideas or activities

• ambit
• compass
• orbit
• range
• reach
• scope

1. (noun) an ordered array of the components of an emission or wave

• spectral

2. (noun) a broad range of related objects or values or qualities or ideas or activities

• spectral