1. pathogen-any disease-producing agent (especially a virus or bacterium or other microorganism). microorganism, micro-organism-any organism of microscopic size.infectious agent, infective agent-an agent capable of producing infection. Translations.. pathogen-any disease-producing agent (especially a virus or bacterium or other microorganism). microorganism, micro-organism-any organism of microscopic size.
Agricultural Tools. The Agricultural Tools ClipArt gallery offers 195 illustrations of hand tools such as plows, pitchforks, insecticide sprayers, rakes, and rollers.
4 Tools to Make Your Barn Chores Easier. These tools will make barn work more efficient, which means you'll have more time to spend with your horse. You probably already keep your stable stocked with the obvious tools of the trade that keep it running smoothlyâstall picks, brooms, muck buckets, etc.