| A circle around the sun or moon that is smaller than a halo with a 22-degree radius, is probably a corona. |
| The Canadian soldiers and air force personnel of Task Force Haiti serving on Operation HALO changed their regular uniform headdress for the United Nations blue beret. |
| Knowledge of halo effects is crucial in determining how to allocate advertising funds across a portfolio of products. |
| The other was comically fat, with folds of dead yellow skin hanging in a halo around his massive neck. |
| According to the HALO foundation, a global organisation that works to remove these ordnances, the country still has the highest ratio of amputees – an estimated 25,000 – per capita in the world. |
| When she gallantly removes her cap, her glabrous head radiates a glorious halo. |
