biodiesel (n.) Look up biodiesel at Dictionary.com
also bio-diesel, 1992, from bio- + diesel.
biodiversity (n.) Look up biodiversity at Dictionary.com
also bio-diversity, by 1988, from bio- + diversity.
bioethics (n.) Look up bioethics at Dictionary.com
also bio-ethics, coined 1970 by U.S. biochemist Van Rensselaer Potter II (1911-2001), who defined it as "Biology combined with diverse humanistic knowledge forging a science that sets a system of medical and environmental priorities for acceptable survival." From bio- + ethics.
biofeedback (n.) Look up biofeedback at Dictionary.com
also bio-feedback, 1969, from bio- + feedback. Said to have been coined by U.S. psychologist and parapsychologist Gardner Murphy (1890-1975).
biofuel (n.) Look up biofuel at Dictionary.com
also bio-fuel, by 1984, from bio- + fuel (n.).
biogenesis (n.) Look up biogenesis at Dictionary.com
also bio-genesis, 1870, "theory that living organisms arise only from pre-existing living matter," coined by English biologist T.H. Huxley (1825-1895) from Greek bios "life" (from PIE root *gwei- "to live") + -genesis "birth, origin, creation." Related: Biogenetic; biogenetical.
biogenic (adj.) Look up biogenic at Dictionary.com
1904, with reference to Haeckel's recapitulation theory; 1913 as "produced by living organisms," from bio- + genic "produced by" (see genus).
biogeny (n.) Look up biogeny at Dictionary.com
1870, "biogenesis;" see biogenic. As "history of the evolution of an organism," 1879.
biogeography (n.) Look up biogeography at Dictionary.com
also bio-geography, 1892, from bio- + geography. Related: Biogeographical.
biographer (n.) Look up biographer at Dictionary.com
1715; see biography + -er (1). Earlier was biographist (1660s).
Of every great and eminent character, part breaks forth into public view, and part lies hid in domestic privacy. Those qualities which have been exerted in any known and lasting performances may, at any distance of time, be traced and estimated; but silent excellencies are soon forgotten; and those minute peculiarities which discriminate every man from all others, if the are not recorded by those whom personal knowledge enabled to observe them, are irrecoverably lost. [Johnson, "Life of Sir Thomas Browne," 1756]
biographical (adj.) Look up biographical at Dictionary.com
1738; see biography + -ical. Related: Biographically.
biography (n.) Look up biography at Dictionary.com
1680s, probably from Latin biographia, from Late Greek biographia "description of life," from Greek bios "life" (from PIE root *gwei- "to live") + graphia "record, account" (see -graphy). Biographia was not in classical Greek (bios alone was the word for it), though it is attested in later Greek from c.500.
biohazard (n.) Look up biohazard at Dictionary.com
also bio-hazard, 1973, from bio- + hazard (n.).
biological (adj.) Look up biological at Dictionary.com
1840, from biology + -ical. Biological clock attested from 1955; not especially of human reproductive urges until c. 1991. Related: Biologically.
biologist (n.) Look up biologist at Dictionary.com
1813, from biology + -ist. Earliest use is in reference to human life. In modern scientific sense, by 1874.
biology (n.) Look up biology at Dictionary.com
1819, from Greek bios "life" (from PIE root *gwei- "to live") + -logy. Suggested 1802 by German naturalist Gottfried Reinhold Treviranus (1776-1837), and introduced as a scientific term that year in French by Lamarck.
bioluminescence (n.) Look up bioluminescence at Dictionary.com
also bio-luminescence, 1909; see bio- + luminescence.
bioluminescent (adj.) Look up bioluminescent at Dictionary.com
also bio-luminescent, 1929; see bioluminescence.
biomass (n.) Look up biomass at Dictionary.com
also bio-mass, c. 1980, from bio- + mass (n.1).
biome (n.) Look up biome at Dictionary.com
1908, from Greek bios "life" (from PIE root *gwei- "to live") + -ome.
biomechanics (n.) Look up biomechanics at Dictionary.com
also bio-mechanics, 1933, "study of the action of forces on the body," from bio- + mechanic (also see -ics). Earlier (1924) as a term in Russian theater, from Russian biomekhanika (1921).
biomedical (adj.) Look up biomedical at Dictionary.com
also bio-medical, 1961, from bio- + medical (adj.).
biometric (adj.) Look up biometric at Dictionary.com
1888, from bio- + -metric.
biometrics (n.) Look up biometrics at Dictionary.com
"application of mathematics to biology," 1902, from biometric (also see -ics); slightly earlier in this sense was biometry (1901), which was coined by Whewell and used by him and others with a sense of "calculation of life expectancy" (1831).
biometry (n.) Look up biometry at Dictionary.com
see biometrics.
biomorphic (adj.) Look up biomorphic at Dictionary.com
1895, from bio- + Greek morphe "form" (see Morpheus) + -ic.
bionic (adj.) Look up bionic at Dictionary.com
1901, as a term in the study of fossils, from Greek. bios "life" (from PIE root *gwei- "to live"). Meaning "pertaining to bionics" is recorded from 1963. Popular sense of "superhumanly gifted or durable" is from 1976, from popular U.S. television program "The Bionic Man" and its spin-offs.
bionics (n.) Look up bionics at Dictionary.com
1959, from bio- "life" + second element from electronic; also see -ics.
bionomics (n.) Look up bionomics at Dictionary.com
"science of organic evolution; ecology," 1888, coined by Scottish biologist Patrick Geddes (1854-1932) from Greek bios "life" (from PIE root *gwei- "to live") + nomos "managing," from nemein "to manage," from PIE root *nem- "assign, allot; take."
biopic (n.) Look up biopic at Dictionary.com
also bio-pic, 1951, from biographical + (moving) picture. Frequent from mid-1951 in "Billboard" and possibly coined there.
biopsy (n.) Look up biopsy at Dictionary.com
1895, from French biopsie, coined by French dermatologist Ernest Besnier (1831-1909) from Greek bi- comb. form of bios "life" (from PIE root *gwei- "to live") + opsis "a sight" (from PIE root *okw- "to see"). As a verb, from 1964.
biorhythm (n.) Look up biorhythm at Dictionary.com
also bio-rhythm, 1960, from bio- + rhythm. Related: Biorhythmic.
biosphere (n.) Look up biosphere at Dictionary.com
1899, from or modeled on German Biosphäre (1875), coined by German geologist Eduard Suess (1831-1914); see bio- + sphere.
biota (n.) Look up biota at Dictionary.com
1901, from Greek biota "life," from PIE root *gwei- "to live."
biotechnology (n.) Look up biotechnology at Dictionary.com
also bio-technology, 1947, "use of machinery in relation to human needs;" 1972 in sense of "use of biological processes in industrial production," from bio- + technology.
bioterrorism (n.) Look up bioterrorism at Dictionary.com
also bio-terrorism, by 1997, from bio- + terrorism. Related: Bioterrorist.
biotic (adj.) Look up biotic at Dictionary.com
"pertaining to life," 1847, in the medical sense, from Latin bioticus, from Greek biotikos "pertaining to life," from bios "life," from PIE root *gwei- "to live." Biotic factor was in use by 1907. Related: Biotical.
biotin (n.) Look up biotin at Dictionary.com
vitamin of the B group (also sometimes called vitamin H) essential for the growth of yeast, 1936, from German Biotin (1936), from Greek biotos "life" (from PIE root *gwei- "to live") + chemical suffix -in (2).
biparous (adj.) Look up biparous at Dictionary.com
"bringing forth two at birth," 1731, from bi- + Latin -parus, from parere "bring forth, bear" (see pare).
bipartisan (adj.) Look up bipartisan at Dictionary.com
also bi-partisan, 1894, from bi- + partisan.
bipartisanship (n.) Look up bipartisanship at Dictionary.com
also bi-partisanship, 1895, from bipartisan + -ship.
bipartite (adj.) Look up bipartite at Dictionary.com
1570s, from Latin bipartitus "divided," past participle of bipartire "to divide into two parts," from bi- (see bi-) + partitus, past participle of partiri "to divide" (see part (v.)).
biped (n.) Look up biped at Dictionary.com
"animal with two feet," 1640s, from Latin bipedem (nominative bipes) "two-footed," as a plural noun, "men;" from bi- "two" (see bi-) + pedem (nominative pes) "foot" (from PIE root *ped- "foot").
bipedal (adj.) Look up bipedal at Dictionary.com
c. 1600, from biped + -al (1). Classical Latin bipedalis meant "two feet long or thick."
bipedalism (n.) Look up bipedalism at Dictionary.com
1897; see bipedal + -ism.
biplane (n.) Look up biplane at Dictionary.com
airplane with two full wings, one above the other, 1874, as a theoretical notion; first attested 1908 in reference to the real thing; from bi- + plane (n.1). So called from the two "planes" of the double wings.
biplicity (n.) Look up biplicity at Dictionary.com
1731; see bi- + ending from multiplicity. A useful and non-pejorative alternative to duplicity.
bipolar (adj.) Look up bipolar at Dictionary.com
"having two poles," from bi- + polar; 1810 with figurative sense of "of double aspect;" 1859 with reference to physiology. Psychiatric use in reference to what had been called manic-depressive psychosis is said to have begun 1957 with German psychiatrist Karl Leonhard. The term became popular early 1990s. Bipolar disorder was in DSM III (1980).
bipolarity (n.) Look up bipolarity at Dictionary.com
also bi-polarity, 1834; see bi- + polarity.
bippy (n.) Look up bippy at Dictionary.com
by 1968, "buttocks, ass," U.S. slang, the kind of thing that once sounded naughty on "Laugh-In" (and briefly popularized by that program). As it often was used with you bet your ... it may be nonsense chosen for alliteration, but there may be some whiff of bipedal in it.