| ALN | trade name for an alloy used to make high-energy permanent magnets |
|---|---|
| ALN | alders |
| ALN | North American shrub with light green leaves and winged nuts |
| ALN | medium-sized tree with brown-black bark and woody fruiting catkins |
| ALN | native to Europe but introduced in America |
| ALN | shrub or small tree of southeastern United States having soft light brown wood |
| ALN | tree of western United States |
| ALN | large tree of Pacific coast of North America having hard red wood much used for furniture |
| ALN | common shrub of Canada and northeastern United States having shoots scattered with rust-colored down |
| ALN | common shrub of the eastern United States with smooth bark |
| ALN | shrub of mountainous areas of Europe |
| ALN | North American shrub with light green leaves and winged nuts |