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Dictionary · Word part

tox/o

A word part that means poison.

TOK-soh root

What it means

The root in toxic (poisonous), toxin, toxicology (the study of poisons) and toxicity, as in digoxin toxicity. In toxoplasmosistok-soh-plaz-MOH-sisAn infection with Toxoplasma gondii, a parasite carried by cats and found in undercooked meat and soil.toxo- bow (from the parasite's curved shape)plasm formed thing-osis conditionFull entry it comes from a different Greek word, but the root looks the same.

At a glance

Also writtentoxic/o, toxico-

Related terms

digoxin

A drug that makes the heart beat more strongly and more slowly.

toxoplasmosis

An infection with Toxoplasma gondii, a parasite carried by cats and found in undercooked meat and soil.

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