actinic
- a relating to or exhibiting actinism
- Cellulose nitrate was the first binder used; actinic rays in sunshine turned this disagreeably brown.
- In exchange for a minimum of privacy, which could readily be increased by movable screens, workers in actinic glass houses would get a maximum of insurance against rickets .
- The Southern Pacific is proud of many things, of its new cars kept cool in Southwestern deserts by special aluminum paint and anti-actinic window glass, of its freight service .