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Tappan, Lewis

(Encyclopedia)Tappan, Lewis, 1788–1873, American abolitionist, b. Northampton, Mass. He became a partner in his brother Arthur's New York mercantile house in 1828 and in 1841 founded the first agency for rating c...

inchworm

(Encyclopedia)inchworm, name for the larvae of moths of the family Geometridae, a large, cosmopolitan group with over 1,200 species indigenous to North America. Also called measuring worms, spanworms, and loopers, ...

date

(Encyclopedia)date, name for a palm (Phoenix dactylifera) and for its edible fruit. Probably native to Arabia and North Africa, it has from earliest times been a principal food in many desert and tropical regions. ...

cowrie

(Encyclopedia)cowrie or cowry both: kouˈrē [key], common name applied to marine gastropods belonging to the family Cypraeidae, a well-developed family of marine snails found in the tropics. Cowries are abundant i...

coatimundi

(Encyclopedia)coatimundi kōätˈē [key], omnivore of North and South America related to the raccoon. The coatimundi has a long snout, an elongated body, and a long bushy tail banded with dark rings. The coat colo...

English sparrow

(Encyclopedia)English sparrow or house sparrow, small bird, Passer domesticus, common throughout most of the world. English sparrows are 4 to 7 in. (10–18 cm) long, with short, stout bills. The male is brown with...

thick-knee

(Encyclopedia)thick-knee, common name for terrestrial, Old World birds in the family Burhinidae. The name derives from the bird's thickened tarsal joints. Thick-knees are shy, solitary birds. They are rapid runners...

water beetle

(Encyclopedia)water beetle, name for aquatic beetles of several families. They should not be confused with water bugs, which are true bugs (order Hemiptera). The predaceous diving beetles (family Dytiscidae) are a ...

seaweed

(Encyclopedia)seaweed, name commonly used for the multicellular marine algae. Simpler forms, consisting of one cell (e.g., the diatom) or of a few cells, are not generally called seaweeds; these tiny plants help to...

Moore's Law

(Encyclopedia)Moore's Law, a projection of semiconductor manufacturing trends made by Gordon E. Moore, cofounder of the Intel Corp., in a 1965 magazine article. He observed that the number of transistors per square...