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miniature painting

(Encyclopedia)miniature painting [Ital.,=artwork, especially manuscript initial letters, done with the red lead pigment minium; the word originally had no implication as to size]. In a general sense the term denote...

number theory

(Encyclopedia)number theory, branch of mathematics concerned with the properties of the integers (the numbers 0, 1, −1, 2, −2, 3, −3, …). An important area in number theory is the analysis of prime number...

poisonous plant

(Encyclopedia)poisonous plant, any plant possessing a property injurious to man or animal. Plants may be poisonous to the touch (e.g., poison ivy, poison sumac), or orally toxic (e.g., poison hemlock, deadly amanit...

postage stamp

(Encyclopedia)postage stamp, government stamp affixed to mail to indicate payment of postage. The term includes stamps printed or embossed on postcards and envelopes as well as the adhesive labels. The use of adhes...

Burckhardt, Jacob Christoph

(Encyclopedia)Burckhardt, Jacob or Jakob Christoph yäˈkôp krĭsˈtôf bo͝orkˈhärt [key], 1818–97, Swiss historian, one of the founders of the cultural interpretation of history. He studied under Ranke at th...

Smithsonian Institution

(Encyclopedia)Smithsonian Institution, research and education center, mainly at Washington, D.C.; founded 1846 under the terms of the will of James Smithson of London, who in 1829 bequeathed his fortune to the Unit...

Bloomsbury group

(Encyclopedia)Bloomsbury group, name given to the literary group that made the Bloomsbury area of London the center of its activities from 1904 to World War II. It included Lytton Strachey, Virginia Woolf, Leonard ...

puts and calls

(Encyclopedia)puts and calls, in securities trading. A call is a contract that gives the holder the right to purchase a given stock at a specific price within a designated period of time. It is the opposite of a pu...

protocol

(Encyclopedia)protocol prōˈtəkŏl [key], term referring to rules governing diplomatic conduct or to a variety of written instruments. Examples of the latter are authenticated minutes of international conferences...

Bacon, Roger

(Encyclopedia)Bacon, Roger, c.1214–1294?, English scholastic philosopher and scientist, a Franciscan. He studied at Oxford as well as at the Univ. of Paris and became one of the most celebrated and zealous teache...