19th-century introductions

political ideology favoring civil liberties with emphasis on economic freedom

vehicle propelled by one or more electric motors

tool used to study the effects of air moving past solid objects

motorized conveying system using a сlosed-loop rubber band

dramatic principle that every element in a story must be necessary, and irrelevant elements should be removed

school uniform used in Japan

outdoor area in which beer, other drinks, and local food are served

thumb|George Walker (vaudeville)|George Walker, [[Aida Overton Walker, and Bert Williams link arms and dance the cakewalk in the first Broadway musical to be written and performed by African Americans, In Dahomey.]] thumbnail|right|Painting from 1913 thumbnail|right|1915 sheet music cover (late for cakewalk music): "Ebony Echoes: A Good Old-Fashioned Cake-Walk" by Dan Walker. New York, NY: Shapiro, Bernstein & Co.

part of the drivetrain on a bike

sport equipment

juggling-type entertainment performed by bartenders

thumb|Gyotaku print of a fish is the traditional Japanese method of printing fish, a practice which dates back to the mid-1800s. This form of nature printing, where ink is applied to a fish which is then pressed onto paper, was used by fishermen to record their catches, but has also become an art form of its own.

percent of variation in IQ scores in a given population associated with genetic variation

historical term for a morphological subtype of the Caucasoid race

Christmas tree inside the White House in Washington, DC, United States

Public health movement

any system of slang in which a word is replaced with a phrase that rhymes with it

alt=Anti-suffrage leaders, Mrs. George Phillips, Mrs. K.B. Lapham, Miss Burham, Mrs. Evertt P. Wheeler and Mrs. John A. Church at an anti-suffrage event on the Hudson River, May 30, 1913.|thumb|300x300px|US Anti-suffrage leaders, Mrs. George Phillips, Mrs. K.B. Lapham, Miss Burham, Mrs. Evertt P. Wheeler and Mrs. John A. Church at an anti-suffrage event on the Hudson River, May 30, 1913. Anti-suffragism was a political movement composed of both men and women that began in the late 19th century in order to campaign against women's suffrage in countries such as Australia, Canada, Ireland, the Un

thumb|Gaylord Perry threw the spitball during his career.

alphabet used for writing the Albanian language