9-letter words starting with bi
- bioweapon — Bioweapons are biological weapons.
- bipartite — consisting of or having two parts
- bipedally — in a bipedal manner
- bipinnate — (of pinnate leaves) having the leaflets themselves divided into smaller leaflets
- bipyramid — a geometrical form consisting of two pyramids with a common polygonal base
- biradical — a molecule with two centres
- bird band — a band put on a bird's leg to identify it for observations about its range, behavior, longevity, migration patterns, etc.
- bird cage — metal enclosure for a bird
- bird call — a sound made by a bird.
- bird farm — an aircraft carrier.
- bird feed — seeds or other food given to birds.
- bird food — a mixture of seeds, grains, nuts, etc, suitable for birds to eat
- bird shot — small-sized shot used for shooting birds.
- bird walk — an excursion, usually undertaken as a group with an expert leader, for observing and studying birds in their natural habitat.
- birdbrain — a foolish or unintelligent person
- birdhouse — a small shelter or box for birds to nest in
- birdwatch — to watch birds
- birlieman — a judge dealing with local law
- birthdate — Your birthdate is the same as your date of birth.
- birthmark — A birthmark is a mark on someone's skin that has been there since they were born.
- birthname — a name given at birth
- birthrate — the number of births per year per thousand of population in a given community, area, or group: sometimes other units of time or population are used
- birthroot — any of several North American plants of the genus Trillium, esp T. erectum, whose tuber-like roots were formerly used by the Native Americans as an aid in childbirth: family Trilliaceae
- birthwort — any of several climbing plants of the genus Aristolochia, esp A. clematitis of Europe, once believed to ease childbirth: family Aristolochiaceae
- bisection — to cut or divide into two equal or nearly equal parts.
- bisectrix — the bisector of the angle between the optic axes of a crystal
- bisellium — an ancient Roman seat of honor for two persons.
- biseriate — (of plant parts, such as petals) arranged in two whorls, cycles, rows, or series
- biserrate — (of leaf margins, etc) having serrations that are themselves serrate
- bishopdom — the jurisdiction of a bishop
- bishopess — a bishop's wife
- bishopric — A bishopric is the area for which a bishop is responsible, or the rank or office of being a bishop.
- bismillah — the words which preface all except one of the surahs of the Koran, used by Muslims as a blessing before eating or some other action
- bismuthic — of or containing bismuth in the pentavalent state
- bismuthyl — Chemistry. the univalent group BiO + , occurring in certain bismuth salts, as bismuth oxychloride, BiOCl.
- bismutite — a mineral, bismuth carbonate, resulting from the alteration of bismuth minerals: a minor source of bismuth.
- bisontine — relating to bison
- bisphenol — a synthetic organic compound used to make plastics and resins
- bissextus — February 29th: the extra day added to the Julian calendar every fourth year (except those evenly divisible by 400, a rule introduced by the Gregorian calendar) to compensate for the approximately six hours a year by which the common year of 365 days falls short of the solar year.
- bissonata — a coarse woolen cloth constructed in plain weave and dyed black or brown, used in the manufacture of clerical vestments.
- bisulcate — marked by two grooves
- bisulfate — an acid sulfate containing the monovalent negative radical HSO4
- bisulfide — disulfide
- bisulfite — an acid sulfite containing the monovalent negative radical HSO3
- bit decay — bit rot
- bit field — (data) Part of an item of data, storage location or message, identified as a certain number of contiguous bits starting at a certain bit position within the data. Bit position zero is usually the least significant bit. For example, in an ARM machine code instruction the four-bit field at bits 28 to 31 (the four most significant bits in the 32-bit word) is the "condition code".
- bit gauge — a device for stopping a bit when it has reached a desired depth.
- bit plane — (graphics) (Or "bitplane") The memory in a graphic display device which holds a complete one-bit-per-pixel image. Several bit planes may be used in conjunction to give more bits per pixel or to overlay several images or mask one with another. "Bit plane" may be used as a synonym for "bitmap", though the latter suggests the data itself rather than the memory and also suggests a graphics file format.
- bit slice — (of central processing units) able to be built up in sections to form complete central processing units with various word lengths
- bitchface — Also called resting bitchface, bitchy resting face, chronic bitchface. (especially of a woman) a facial expression that does not consciously express a particular emotion but that others perceive as scowling, threatening, etc.: I can’t help that I have resting bitchface. Her face naturally goes into a bitchface, but I promise she’s super friendly. I’m not angry, I just have chronic bitch face. Abbreviation: RBF. (especially of a woman) a deliberate facial expression of anger or disgust, often employed to appear unapproachable: I put on my bitchface when I ride the train so creepy guys don’t talk to me. It’s important to perfect your bitchface.