olive dun
noun
An olive, specifically Baetis rhodani; an artificial fly made in imitation of this.
Origin
Early 20th century.
- signal/noise ratio
- signal pad
- signal peptide
- signal plate
- signal post
- signal reaction
- signal red
- signal sequence
- signal service
- signals intelligence
- signal station
- signal strength
- signal strip
- signal-to-noise
- signal-to-noise ratio
- signal tower
- signalwoman
- signal word
- sign art
- sign artist
- signary
- signate
- signation
- signator
- signatory