| HEL | therapeutic exposure to sunlight |
|---|---|
| HEL | a genus of Noctuidae |
| HEL | medium-sized moth whose larvae are corn earworms |
| HEL | medium-sized moth whose larvae are corn earworms |
| HEL | larva of a noctuid moth |
| HEL | green chalcedony with red spots that resemble blood |
| HEL | an orienting response to the sun |
| HEL | duplicator consisting of a gelatin plate from which ink can be taken to make a copy |
| HEL | mostly freshwater protozoa |
| HEL | protozoa with spherical bodies and stiff radiating pseudopods |
| HEL | an airport for helicopters |
| HEL | genus of South African and Australian herbs or shrubs grown as everlastings |