1) The compounds containing carbon that are typically found in living systems.
source: The New Dictionary of Cultural Literacy, Third Edition Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin. All rights reserved.2) Generally, anything made from living systems, such as cloth, fuels, or wood, is said to be organic. Organic foods are grown with no fertilizer except the organic compounds found naturally in plants and animals.
source: The New Dictionary of Cultural Literacy, Third Edition Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin. All rights reserved.3) A compound containing hydrocarbon groups.