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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.

birth control

the act or process of deliberately limiting the number of one's children born, especially by preventing conception.

Birthday

Of or pertaining to the day of birth, or its anniversary; as, birthday gifts or festivities.

Birthdom

The land of one's birth; one's inheritance.

Birthing

Anything added to raise the sides of a ship.

Birthmark

Some peculiar mark or blemish on the body at birth.

Birthnight

The night in which a person is born; the anniversary of that night in succeeding years.

Birthplace

The town, city, or country, where a person is born; place of origin or birth, in its more general sense.

birthrate

the ratio of live births in an area to the population of that area; usually expressed as birthes per 1000 population per year.

Birthright

Any right, privilege, or possession to which a person is entitled by birth, such as an estate descendible by law to an heir, or civil liberty under a free constitution; esp. the rights or inheritance of the first born.

Birthroot

An herbaceous plant (Trillium erectum), and its astringent rootstock, which is said to have medicinal properties.

Birthwort

A genus of herbs and shrubs (Aristolochia), reputed to have medicinal properties.

Bis

Twice; -- a word showing that something is, or is to be, repeated; as a passage of music, or an item in accounts.

Bis-

A form of Bi-, sometimes used before s, c, or a vowel.

Bisaccate

Having two little bags, sacs, or pouches.

Biscayan

Of or pertaining to Biscay in Spain. A native or inhabitant of Biscay.

Biscotin

A confection made of flour, sugar, marmalade, and eggs; a sweet biscuit.

Biscuit

A kind of unraised bread, of many varieties, plain, sweet, or fancy, formed into flat cakes, and bakes hard; as, ship biscuit.

Biscutate

Resembling two bucklers placed side by side.

Biscutella

a genus off Eurasian herbs and small shrubs: buckler mustard.

Bise Bice

A pale blue pigment, prepared from the native blue carbonate of copper, or from smalt; -- called also blue bice.

Bisect

To cut or divide into two parts.

Bisection

Division into two parts, esp. two equal parts.

Bisector

One who, or that which, bisects; esp. (Geom.) a straight line which bisects an angle.

Bisectrix

The line bisecting the angle between the optic axes of a biaxial crystal.

Bisegment

One of tow equal parts of a line, or other magnitude.

Bisexual

Of both sexes; hermaphrodite; as a flower with stamens and pistil, or an animal having ovaries and testes.

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