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Biome

a specific type of complex ecological community characterized by specific environmental conditions and a distinctive group of plants and animals, maintained in a relatively stable equilibrium, such as a rain forest biome or prairie biome.

biomedical engineering

The application of engineeering principles to solve problems in medicine, such as the design of artificial limbs or organs; -- called also bioengineering.

biomedicine

The application of the principles and techniques of the natural sciences, especially biology, to investigate and solve problems in clinical medicine.

Biometry

Measurement of life; calculation of the probable duration of human life.

Bion

The physiological individual, characterized by definiteness and independence of function, in distinction from the morphological individual or morphon.

Biophore Biophor

One of the smaller vital units of a cell, the bearer of vitality and heredity. See Pangen, in Supplement.

Biophotophone

An instrument combining a cinematograph and a phonograph so that the moving figures on the screen are accompanied by the appropriate sounds; -- an archaic term replaced by movie projector.

Bioplasm

A name suggested by Dr. Beale for the germinal matter supposed to be essential to the functions of all living beings; the material through which every form of life manifests itself; unaltered protoplasm.

Bioplasmic

Pertaining to, or consisting of, bioplasm.

Bioplast

A tiny mass of bioplasm, in itself a living unit and having formative power, as a living white blood corpuscle; bioblast.

Biopsychical Biopsychic

Pertaining to psychical phenomena in their relation to the living organism or to the general phenomena of life.

bioreactor

an apparatus in which a suspension of microorganisms in a liquid are used to perform chemical reactions, as in synthesis of pharmaceutical agents or the conversion of harmful waste to less harmful substances. The reactor consists of a vessel to contain the suspension of microorganisms, plus a variety of attached devices used to control the reaction.

bioremediation

the branch of biotechnology that uses biological processes to overcome environmental problems.

Biorgan

A physiological organ; a living organ; an organ endowed with function; -- distinguished from idorgan.

Bioscope

A view of life; that which gives such a view.

Biostatics

The physical phenomena of organized bodies, in opposition to their organic or vital phenomena.

biosynthesis

production of a chemical compound by a living organism.

biosystematics

use of data (e. g. cytogenetic or biochemical) to assess taxonomic relations esp within an evolutionary framework.

biosystematy

use of data (e. g. cytogenetic or biochemical) to assess taxonomic relations especially within an evolutionary framework.

biota

all the plant and animal life of a particular region.

Biotaxy

The classification of living organisms according to their structural character; taxonomy.

Biotic

Relating to life; as, the biotic principle.

biotin

a B vitamin (C10H16N2O3S) that aids in body growth; -- called also vitamin H and coenzyme R. It functions as a coenzyme in many carboxylation reactions.

Biotite

Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica.

biotope

a region uniform in its environmental conditions and in the types of plants and animals living in it.

biotype

a group of organisms sharing the same genotype.

biovular

derived from two separate ferilized ova; -- of twins; as, fraternal twins are biovular. Antonym of identical.

Bipalmate

Palmately branched, with the branches again palmated.

Biparietal

Of or pertaining to the diameter of the cranium, from one parietal fossa to the other.

Bipartible

Capable of being divided into two parts.

Bipartient

Dividing into two parts. A number that divides another into two equal parts without a remainder.

Bipartite

Being in two parts; having two correspondent parts, as a legal contract or writing, one for each party; shared by two; as, a bipartite treaty.

Bipartition

The act of dividing into two parts, or of making two correspondent parts, or the state of being so divided.

Biped

Having two feet; two-footed.

Bipeltate

Having a shell or covering like a double shield.

Bipennis

An ax with an edge or blade on each side of the handle.

Bipinnaria

The larva of certain starfishes as developed in the free-swimming stage.

Biplane

Having, or consisting of, two superposed planes, a/rocurves, or the like; of or pertaining to a biplane; as, a biplane rudder.

Biplicity

The state of being twice folded; reduplication.

Bipolar

Doubly polar; having two poles; as, a bipolar cell or corpuscle.

Bipontine Bipont

Relating to books printed at Deuxponts, or Bipontium (Zweibr/cken), in Bavaria.

Biprism

A prism whose refracting angle is very nearly 180 degrees.

Bipupillate

Having an eyelike spot on the wing, with two dots within it of a different color, as in some butterflies.

Bipyramidal

Consisting of two pyramids placed base to base; having a pyramid at each of the extremities of a prism, as in quartz crystals.

Biquadrate

The fourth power, or the square of the square. Thus 4x4=16, the square of 4, and 16x16=256, the biquadrate of 4.

Biquintile

An aspect of the planets when they are distant from each other by twice the fifth part of a great circle -- that is, twice 72 degrees.

biracial

consisting of, combining two races.

biradial

showing both bilateral and radial symmetry.

Biramous

Having, or consisting of, two branches.

Birch

To whip with a birch rod or twig; to flog.

birchbark

a canoe made with the bark of a birch tree.

Bird

To catch or shoot birds.

Bird-eyed

Quick-sighted; catching a glance as one goes.

bird-on-the-wing

a common trailing perennial milkwort of eastern North America (Polygala paucifolia), having leaves like wintergreen and usually rosy-purple flowers with winged sepals.

Bird-witted

Flighty; passing rapidly from one subject to another; not having the faculty of attention.

Bird's-beak

A molding whose section is thought to resemble a beak.

Bird's-eye

A plant with a small bright flower, as the Adonis or pheasant's eye, the mealy primrose (Primula farinosa), and species of Veronica, Geranium, etc.

Bird's-foot

A papilionaceous plant, the Ornithopus, having a curved, cylindrical pod tipped with a short, clawlike point.

Bird's-mouth

An interior angle or notch cut across a piece of timber, for the reception of the edge of another, as that in a rafter to be laid on a plate; -- commonly called crow's-foot in the United States.

birdbath

an ornamental basin (usually in a garden) for birds to bathe in.

Birdbolt

A short blunt arrow for killing birds without piercing them. Anything which smites without penetrating.

birdbrain

a person with confused ideas; incapable of serious thought.

Birdcall

A sound made in imitation of the note or cry of a bird for the purpose of decoying the bird or its mate.

Birdcatcher

One whose employment it is to catch birds; a fowler.

Birdcatching

The art, act, or occupation or catching birds or wild fowls.

Birdie

A pretty or dear little bird; -- a pet name.

Birdlime

To smear with birdlime; to catch with birdlime; to insnare.

Birdseed

Canary seed, hemp, millet or other small seeds used for feeding caged birds.

Birdwatch

to watch birds, especially in their natural habitats, for enjoyment or as a hobby; to bird{3}.

Birdwatcher

one who enjoys watching birds, especially to find and identify a variety of birds in their natural habitats; a birder{2}.

Birectangular

Containing or having two right angles; as, a birectangular spherical triangle.

Bireme

An ancient galley or vessel with two banks or tiers of oars.

Birk

A small European minnow (Leuciscus phoxinus).

Birken

Birchen; as, birken groves.

Birkie

A lively or mettlesome fellow.

Birl

To pour (beer or wine); to ply with drink; to drink; to carouse.

Birlaw

A law made by husbandmen respecting rural affairs; a rustic or local law or by-law.

Biro

a pen with small metal ball as point of transfer of ink to paper; same as ballpoint pen.

Birr

A whirring sound, as of a spinning wheel.

Birrus

A coarse kind of thick woolen cloth, worn by the poor in the Middle Ages; also, a woolen cap or hood worn over the shoulders or over the head.

Birse

A bristle or bristles.

Birt

A fish of the turbot kind; the brill.

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