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neural crest

Science; General science

A strip of ectodermal material in the early vertebrate embryo inserted between the prospective neural plate and epidermis. After closure of the neural tube the crest cells ...

nitric acid

Science; General science

A strong mineral acid having the formula HNO 3 . Pure nitric acid is a colorless liquid with a density of 1.52 at 25°C (77°F); it freezes at −47°C (−53°F). Nitric acid is used in ...

squall

Science; General science

A strong wind with sudden onset and more gradual decline, lasting for several minutes. Wind speeds in squalls commonly reach 30–60 mi/h (13–27 m/s), with a succession of brief ...

ligament

Science; General science

A strong, flexible connective tissue band usually found between two bony prominences. Most ligaments are composed of dense fibrous tissue formed by parallel bundles of collagen ...

dust storm

Science; General science

A strong, turbulent wind bearing large clouds of dust. The suspended dust consists predominantly of mineral particles with diameters less than 100 micrometers. Sand storms differ ...

coriander

Science; General science

A strong-scented annual herb. Coriander is cultivated in many places throughout the world for both seeds and leaves. The two forms are quite different in taste from one another, ...