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letters
(Encyclopedia) letters, in literature, written messages, ranging from those addressed to the public and those sent from lover to lover, to business letters and thank-you notes. The common quality…fluke
(Encyclopedia) fluke, parasitic flatworm of the trematoda class, related to the tapeworm. Instead of the cilia, external sense organs, and epidermis of the free-living flatworms, adult flukes have…muskrat
(Encyclopedia) muskrat, North American aquatic rodent. The common muskrats, species of the genus Ondatra, are sometimes called by their Native American name, musquash. They are found in marshes,…Zika virus
(Encyclopedia) Zika virusZika viruszēˈkə [key], single-stranded RNA virus of the genus flavivirus that infects human and primates and causes a disease known as Zika fever or zika. It is primarily…commedia dell'arte
(Encyclopedia) commedia dell'artecommedia dell'artekōm-māˈdēä dĕl-lärˈtā [key], popular form of comedy employing improvised dialogue and masked characters that flourished in Italy from the 16th to…colon cancer
(Encyclopedia) colon cancer, cancer of any part of the colon (often called the large intestine). Colon cancer is the second most common cancer diagnosed in the United States. Epidemiological evidence…crocodile
(Encyclopedia) crocodile, large, carnivorous reptile of the order Crocodilia, found in tropical and subtropical regions. Crocodiles live in swamps or on river banks and catch their prey in the water…crab
(Encyclopedia) crab, crustacean with an enlarged cephalothorax covered by a broad, flat shell called the carapace. Extending from the cephalothorax are the various appendages: five pairs of legs, the…yellow fever
(Encyclopedia) yellow fever, acute infectious disease endemic in tropical Africa and many areas of South and Central America. Yellow fever is caused by a virus transmitted by the bite of the female…catfish
(Encyclopedia) catfish, common name applied to members of the fish families constituting the order Siluriformes, found in fresh and coastal waters. Catfish are named for the barbels (“whiskers”)…Trending
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