Search

Search results

Displaying 321 - 330

Food and Agriculture Organization

(Encyclopedia) Food and Agriculture Organization (FAO), specialized agency of the United Nations, established in 1945. Its headquarters is in Rome, and it has a number of regional, subregional, and…

Morgan, Julia

(Encyclopedia) Morgan, Julia, 1872–1957, American architect, b. San Francisco, B.S. Univ. of California, Berkeley, 1894. Trained as an engineer, she became the first woman to study architecture at…

atomic mass

(Encyclopedia) atomic mass, the mass of a single atom, usually expressed in atomic mass units (amu). Most of the mass of an atom is concentrated in the protons and neutrons contained in the nucleus.…

waxbill

(Encyclopedia) waxbill, common name for small, brightly colored weaver finches of the Estrildini tribe of the family Estrildidae. Most are African with the exception of two S Asian species of…

vital statistics

(Encyclopedia) vital statistics, primarily records of the number of births and deaths in a population. Other factors, such as number of marriages and causes of death, by age groups, are regularly…

quadratic

(Encyclopedia) quadratic, mathematical expression of the second degree in one or more unknowns (see polynomial). The general quadratic in one unknown has the form ax2+bx+c, where a, b, and c are…

Robertson, Pat

(Encyclopedia) Robertson, Pat (Marion Gordon Robertson), 1930–2023, American evangelist and politician, b. Lexington, Va. The son of U.S. Senator A.…

lepton

(Encyclopedia) leptonleptonlĕpˈtŏnˌ [key] [Gr.,=light (i.e., lightweight)], class of elementary particles that includes the electron and its antiparticle, the muon and its antiparticle, the tau and…

wire

(Encyclopedia) wire, metal filament, strand, or solid rod usually having a round cross section. Metals and alloys used for wiremaking are chosen for high tensile strength and ductility or for their…

Hadewijch

(Encyclopedia) HadewijchHadewijchhäˈdəvīkh [key], fl. early 13th cent., Dutch mystical poet, a nun. Her works, beautiful lyrics on the love of God and a number of letters in rhyme and visions in…