1. Of blue tinged with grey
   - gray-blue [US], greyish-blue [Brit, Cdn], grayish-blue [US]

See also: chromatic

• radioactive iodine test
• radioactive iodine uptake test
• radioactive material
• radioactive tracer
• radioactive waste
• radioactively
• radioactivity
• radioactivity unit
• radiobiologist
• radiobiology
• radiocarbon
• radiocarbon dating
• radiocarpal joint
• radiochemist
• radiochemistry
• radiochlorine
• radiocommunication
• radioelement
• radiogram
• radiograph
• radiographer
• radiographic
• radiography
• radioimmunoassay
• radioisotope