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disk plow

(Encyclopedia)disk plow or disk, farm implement employing a row or rows of concave circular steel disks that cut and pitch the soil in a way somewhat similar to a moldboard plow. It can be used in many situations w...

circumpolar star

(Encyclopedia)circumpolar star, star whose diurnal circle lies completely above or completely below an observer's horizon. A star whose diurnal circle lies above the horizon never sets, even though it cannot be see...

Geoffroy, Étienne François

(Encyclopedia)Geoffroy, Étienne François ātyĕnˈ fräNswäˈ zhôfrwäˈ [key], 1672–1731, French physician and chemist, also known as Geoffroy the Elder. He became a pharmacist in 1694 and received an M.D. a...

English springer spaniel

(Encyclopedia)English springer spaniel, breed of medium-sized sporting dog developed in England from the broader and very old category of “springing spaniels” that produced many of the present-day land spaniels...

breakwater

(Encyclopedia)breakwater, offshore structure to protect a harbor from wave energy or deflect currents. When it also serves as a pier, it is called a quay; when covered by a roadway it is called a mole. In the Unite...

wren

(Encyclopedia)wren, small, plump perching songbird of the family Troglodytidae. There are about 60 wren species, and all except one are restricted to the New World. The plumage is usually brown or reddish above and...

Buridan, Jean

(Encyclopedia)Buridan, Jean byo͝orˈĭdən, Fr. zhäN bürēdäNˈ [key], d. c.1358, French scholastic philosopher. Rector of the Univ. of Paris, he was a follower of William of Occam and a nominalist. Buridan pro...

Zephaniah, book of the Bible

(Encyclopedia)Zephaniah zĕfˌənīˈə [key], prophetic book of the Bible. The prophet, who lived in the reign (c.640–609 b.c.) of King Josiah of Judah, traces his genealogy to King Hezekiah. Zephaniah denounces...

Watson, Doc

(Encyclopedia)Watson, Doc (Arthel Lane Watson), 1923–2012, American country-music singer and musician, b. Stony Fork, N.C. Blind from infancy, he learned to play the harmonica, banjo, and guitar in his youth. His...

Ricardo, David

(Encyclopedia)Ricardo, David, 1772–1823, British economist, of Dutch-Jewish parentage. At the age of 20 he entered business as a stockbroker and was so skillful in the management of his affairs that within five y...
 

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