biophotophone
An instrument combining a cinematograph and a phonograph so that the moving figures on the screen are accompanied by the appropriate sounds; an early kind of film projector.

biophotophones
plural of biophotophone

bioprinter
A device that performs bioprinting.

bioprinters
plural of bioprinter

bioptics
A bioptic telescope used to improve distance vision

biopump
A pump used to obtain samples of air or water for biological analysis or testing

biopumps
plural of biopump

bioreactor
A vat or pressure vessel, containing microorganisms or biochemically active substances, used for biotechnological processes such as fermentation, waste recycling, or making drugs.

bioreactors
plural of bioreactor

bioresource
Any resource of biological origin

bioresources
plural of bioresource

bios
plural of bio
A vitamin essential for the growth of yeast, since found to be several B vitamins.

biosealant
A biological or biochemical sealant

biosealants
plural of biosealant

biosensor
Any device that detects, records or transmits physiological data, especially data concerning the presence of chemical compounds (analytes)
A device that uses biological material (e.g. microorganisms, oligonucleotides, enzymes, antibodies) to detect other biological molecules or chemicals.

biosensors
plural of biosensor

bioses
plural of biose

biosimilarities
plural of biosimilarity

biosimilarity
Similarity of one biological substance to another, particularly with respect to a substance used for medicinal purposes.

biosludge
sludge consisting of biological materials

biosolvent
Any solvent manufactured via a biochemical process
A biodegradable solvent
A solvent that can be safely used to remove contamination from a living organism

biosolvents
plural of biosolvent

biospectrophotometer
A spectrophotometer designed for use with biological materials

biospectrophotometers
plural of biospectrophotometer

biosynthesizer
A biochemical synthesizer (device or system)

biosynthesizers
plural of biosynthesizer

biothesiometer
An instrument used to measure the threshold of vibration perception

biothesiometers
plural of biothesiometer

biotransistor
A bioelectronic transistor

biotransistors
plural of biotransistor

biovortexer
A small vortex mixer used for biological samples.

biovortexers
plural of biovortexer

biphetamine
An amphetamine used to treat ADHD and narcolepsy.

bipoint
A primitive tool that is pointed at both ends.

bipoints
plural of bipoint

birchbark
The bark of the birch tree, especially the white bark of the paper birch, Betula papyrifera.
A piece of this bark, formerly used for writing on.

birchbarks
plural of birchbark

birdcall
Any vocalization of a bird.
An imitation of this cry.
A device used to imitate this cry, so as to lure and catch birds.

birdcalls
plural of birdcall

birdfeeder
Alternative form of bird feeder.

birdfeeders
plural of birdfeeder

birdglue
Synonym of birdlime (“sticky substance used to catch birds”)

birdtrap
A trap designed or used to catch wild birds.

birdtraps
plural of birdtrap

birthstools
plural of birthstool

bis
plural of bi

bismer
Synonym of steelyard.

bismers
plural of bismer

bismosol
A sterilized solution of potassium sodium bismuthotartrate, used to treat syphilis.

bisphosphonate
Any of a class of organic compounds having two phosphate groups attached to a single carbon atom.
Any of several pharmaceuticals having this structure; they are inhibitors of bone resorption, used to treat several diseases including Paget's disease and osteoporosis.

bisphosphonates
plural of bisphosphonate

bispinor
An object that is used to describe quantum fields having half-spin

bispinors
plural of bispinor

bistrifluron
An insecticide used to control chewing insects such as aphids, whiteflies, caterpillars, and termites.

bitbrace
Synonym of bitstock

bitbraces
plural of bitbrace

bitchhound
Alternative spelling of bitch hound.

bitchhounds
plural of bitchhound

biteplate
An appliance, that incorporates a sheet of acrylic designed to occlude with the opposing teeth, used as a diagnostic tool

biteplates
plural of biteplate

bitewing
A radiograph taken to visualize the crowns of the posterior teeth and the height of the alveolar bone in relation to the cementoenamel junctions, commonly used to examine for interdental caries and recurrent caries under existing restorations.

bitewings
plural of bitewing

bitplane
The set of bits stored at the same relative position in each byte and thus having comparable effects on the overall data, used for sound and image processing, etc.

bitplanes
plural of bitplane

bitpop
A genre of electronic music based on the sound chips of older (8-bit or 16-bit) computers, but often combined with modern equipment and vocals.

bitscore
A normalised numerical score used to determine the similarity of two lists.

bitscores
plural of bitscore

bitstock
A hand tool consisting of a crank which holds a fitted rotating drill bit tip, designed to bore holes in rigid materials, by cutting a disc in a spiral fashion.

bitstocks
plural of bitstock

blackball
A rejection; a vote against admitting someone.
A black ball used to indicate such a negative vote.
A kind of large black sweet, a black-colored gobstopper.
A substance for blacking shoes, boots, etc. or for taking impressions of engraved work.
A game, a standardized version of the English version of eight-ball.

blackballs
plural of blackball

blackguard
The lowest servant in a household charged with pots, pans, and other kitchen equipment.
An unprincipled, contemptible person; an untrustworthy person.
A man who uses foul language in front of a woman (typically a woman of high standing).

blackguards
plural of blackguard

blackings
plural of blacking

blackleader
A machine for blackleading.

blackleaders
plural of blackleader

blacklight
Alternative form of black light (“ultraviolet bulb”).

blacklights
plural of blacklight

blacktop
Asphalt concrete or similar bituminous black paving material used for the surface of roads (e.g., tarmacadam, tarmac).
A road so paved.
A paved area on a schoolground reserved for recess activities, often doubling as a parking lot.

blacktopper
A machine that applies a blacktop surface to a road.

blacktoppers
plural of blacktopper

blacktops
third-person singular simple present indicative of blacktop

blaggard
Alternative form of blackguard.

blaggards
plural of blaggard

blastomycin
A sterile material, produced from cultures of the fungus Blastomyces, once used for intradermal testing

bleeper
Something or someone that bleeps.
An electronic device that makes a bleeping sound to obscure certain words, used to censor spoken dialogue.

bleepers
plural of bleeper

blender
A machine with sharp rotating blades in a bowl, for mashing, crushing, or liquefying food ingredients.
A piece of fabric sewn into the front of a theatrical wig to make it blend in with the performer's natural hair.
A subtly patterned fabric printed in different shades of a single color, often used in place of a solid to create visual texture.

blendered
simple past and past participle of blender

blendering
present participle and gerund of blender

blenders
plural of blender

blepharogel
A preparation used to prevent or to treat inflammation of the eyelids

blepharostat
An instrument used to keep the eyelids apart during an operation

blepharostats
plural of blepharostat

blicket
A type of novel object with certain properties that may be categorized by a human in certain experiments relating to causality and perception, e.g., triggering a "blicket detector" (a device that lights up and plays music).

blickets
plural of blicket

blinders
plural of blinder

blinkenlight
A flashing light or beacon light.
A status light on an electronic or electric device, such as a modem, router, network hub, etc.

blinkenlights
plural of blinkenlight

blipper
A device that applies the throttle when downshifting, for a smoother gear transition and to avoid wheelspin.