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cross-laminated timber

(Encyclopedia)cross-laminated timber (CLT), manufactured wood panels that consist of layers of boards glued together under pressure with the grain of the boards in one layer running perpendicular to the grain in ad...

chickenpox

(Encyclopedia)chickenpox or varicella vârˌəsĕlˈə [key], infectious disease usually occurring in childhood. It is caused by the same herpesvirus, varicella-zoster, that produces shingles; the virus can hide in...

climbing perch

(Encyclopedia)climbing perch, climbing gourami, or walking fish, any of several fish of the family Anabantidae, adapted to living in oxygen-depleted water or on dry land. They are not related to the true perch. Th...

altimeter

(Encyclopedia)altimeter ăltĭmˈĭtər, ălˈtĭmēˌtər [key], device for measuring altitude. The most common type is an aneroid barometer calibrated to show the drop in atmospheric pressure in terms of linear e...

Evenki Autonomous Area

(Encyclopedia)Evenki Autonomous Area ĕvyĕnˈkē [key], former administrative division, 287,645 sq mi (745,000 sq km), N ...

fetal alcohol syndrome

(Encyclopedia)fetal alcohol syndrome (FAS), pattern of physical, developmental, and psychological abnormalities seen in babies born to mothers who consumed alcohol during pregnancy. The abnormalities include low bi...

Semenza, Gregg Leonard

(Encyclopedia)Semenza, Gregg Leonard, 1956–, American oncologist and molecular biologist, b. New York City, Ph.D. Univ. of Pennsylvania, 1984. Semenza has spent his entire career at the Johns Hopkins School of Me...

Premadasa, Ranasinghe

(Encyclopedia)Premadasa, Ranasinghe, 1924–1993, Sri Lankan political leader. As a member of the Ceylon Labour party, he worked as a labor organizer and was elected deputy mayor of Colombo in 1955. He then joined ...

tympanum

(Encyclopedia)CE5 Tympanum (west pediment, temple of Aphaia at Aegina) tympanum tĭmˈpənəm [key]. In architecture, the triangular space of a pediment, or low-pitched gable, above a portico, door, or window. ...

tuba

(Encyclopedia)tuba to͞oˈbə [key] [Lat.,=trumpet], valved brass wind musical instrument of wide conical bore. The term tuba is applied rather loosely to any low-pitched brass instrument other than the trombone; s...