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  1. PARASITIC Definition & Meaning - Merriam-Webster

    Dec 5, 2016 · The meaning of PARASITIC is of, relating to, or being a parasite. How to use parasitic in a sentence.

  2. Parasitism - Wikipedia

    Parasitism is a kind of symbiosis, a close and persistent long-term biological interaction between a parasite and its host. Unlike saprotrophs, parasites feed on living hosts, though some parasitic …

  3. About Parasites | Parasites | CDC

    Nov 14, 2024 · There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites. Protozoa are microscopic, one-celled organisms that …

  4. Parasitic Infection: Causes, Symptoms & Treatment

    Parasitic infections are diseases caused by organisms that live off of another living thing. They can cause fever, fatigue, intestinal symptoms, skin rashes or neurological symptoms.

  5. Parasitic disease | Definition, Types, & Causes | Britannica

    parasitic disease, in humans, any illness that is caused by a parasite, an organism that lives in or on another organism (known as the host). Parasites typically benefit from such relationships, …

  6. PARASITIC Definition & Meaning | Dictionary.com

    PARASITIC definition: of, relating to, or characteristic of parasites. See examples of parasitic used in a sentence.

  7. PARASITIC | definition in the Cambridge English Dictionary

    Parasitic wasps, flies and spiders are natural enemies of the larvae. The fast metabolism of young fish makes them more vulnerable to fatal parasitic infection.

  8. Overview of Parasitic Infections - The Merck Manuals

    Parasites usually enter the body through the mouth or skin. Parasitic infections can affect various body systems and can cause a range of symptoms, from mild discomfort to severe illness, …

  9. Parasitic - Definition, Meaning & Synonyms | Vocabulary.com

    The adjective parasitic is mainly a scientific term for talking about an organism that lives on a host, taking what it needs to stay alive while often injuring the host. By their nature, ticks, leeches, …

  10. parasitic - Wiktionary, the free dictionary

    Oct 9, 2025 · parasitic (plural parasitics) (electronics) A component of a circuit that does not show up in a circuit's schematic but does show up in the circuit's behavior.