backwards
1: at or to or toward the back or rear; "he moved back"; "tripped when he stepped backward"; "she looked rearward out the window of the car" [syn: {back}, {backward}, {rearward}, {rearwards}] [ant: {f...
backwash
1: the flow of air that is driven backwards by an aircraft propeller [syn: {slipstream}, {airstream}, {race}, {wash}] 2: the consequences of an event (especially a catastrophic event); "the aftermath ...
backwater
1: a body of water that was created by a flood or tide or by being held or forced back by a dam; "the bayous and backwaters are breeding grounds for mosquitos" 2: any backward region that is isolated ...
backwoods
1: inaccessible and sparsely populated [syn: {backwoods(a)}, {outback(a)}, {remote}] n : a remote and undeveloped area [syn: {back country}, {boondocks}, {hinterland}]
backwoodsman
1: a man who lives on the frontier [syn: {frontiersman}, {mountain man}]
backyard
1: the grounds in back of a house
bacon
1: back and sides of a hog salted and dried or smoked; usually sliced thin and fried 2: English scientist and Franciscan monk who stressed the importance of experimentation; first showed that air is r...
bacon and eggs
1: European forage plant having claw-shaped pods introduced in America [syn: {bird's foot trefoil}, {bird's foot clover}, {babies' slippers}, {Lotus corniculatus}] 2: eggs (fried or scrambled) served ...
bacteremia
1: transient presence of bacteria (or other microorganisms) in the blood [syn: {bacteriemia}, {bacteriaemia}]
bacteremic
1: of or relating to or having bacteremia
bacteria
1: (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonom...
bacteria bed
1: layer of sand or gravel used to expose sewage effluent to air and the action of microorganisms
bacteriacide
1: any chemical agent that destroys bacteria [syn: {bactericide}]
bacteriaemia
1: transient presence of bacteria (or other microorganisms) in the blood [syn: {bacteremia}, {bacteriemia}]
bacterial
1: relating to or caused by bacteria; "bacterial infection"
bacterial plaque
1: a film of mucus and bacteria deposited on the teeth that encourages the development of dental caries [syn: {dental plaque}]
bacterial toxin
1: any endotoxin or exotoxin formed in or elaborated by bacterial cells
bactericidal
1: preventing infection by inhibiting the growth or action of microorganisms [syn: {disinfectant}, {germicidal}]
bactericide
1: any chemical agent that destroys bacteria [syn: {bacteriacide}] 2: any drug that destroys bacteria or inhibits their growth [syn: {antibacterial}, {antibacterial drug}]
bacteriemia
1: transient presence of bacteria (or other microorganisms) in the blood [syn: {bacteremia}, {bacteriaemia}]
bacteriochlorophyll
1: a substance in photosensitive bacteria that is related to but different from chlorophyll of higher plants
bacterioid
1: resembling bacteria [syn: {bacteroidal}, {bacteroid}, {bacterioidal}]
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bacterioidal
1: resembling bacteria [syn: {bacteroidal}, {bacteroid}, {bacterioid}]
bacteriologic
1: of or relating to bacteriology [syn: {bacteriological}]
bacteriology
1: the branch of medical science that studies bacteria in relation to disease
bacteriophage
1: a virus that is parasitic in bacteria; it uses the bacterium's machinery and energy to produce more phage until the bacterium is destroyed and phage is released to invade surrounding bacteria [syn:...
bacteriophagic
1: of or relating to bacteriophages [syn: {bacteriophagous}]
bacteriophagous
1: of or relating to bacteriophages [syn: {bacteriophagic}]
bacteriostasis
1: inhibition of the growth of bacteria [also: {bacteriostases} (pl)]
bacteriostat
1: a chemical or biological material that inhibits bacterial growth
bacterise
1: subject to the action of bacteria [syn: {bacterize}]
bacterium
1: (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonom...
bacterize
1: subject to the action of bacteria [syn: {bacterise}]
bacteroid
1: resembling bacteria [syn: {bacteroidal}, {bacterioidal}, {bacterioid}] n : a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants)
Bacteroidaceae
1: family of bacteria living usually in the alimentary canal or on mucous surfaces of warm-blooded animals; sometimes associated with acute infective processes [syn: {family Bacteroidaceae}]
bacteroidal
1: resembling bacteria [syn: {bacteroid}, {bacterioidal}, {bacterioid}]
Bacteroides
1: type genus of Bacteroidaceae; genus of gram-negative rodlike anaerobic bacteria producing no endospores and no pigment and living in the gut of man and animals [syn: {genus Bacteroides}]
Bactrian camel
1: two-humped camel of the cold deserts of central Asia [syn: {Camelus bactrianus}]
baculiform
1: formed like a bacillus [syn: {baccilar}, {bacillary}, {bacilliform}, {rod-shaped}]
bad
1: having undesirable or negative qualities; "a bad report card"; "his sloppy appearance made a bad impression"; "a bad little boy"; "clothes in bad shape"; "a bad cut"; "bad luck"; "the news was very...
bad block
1: (computer science) a block (usually one sector) that cannot reliably hold data
bad blood
1: a feeling of ill will arousing active hostility [syn: {animosity}, {animus}]
bad check
1: a check that is dishonored on presentation because of insufficient funds; "issuing a bad check is a form of larceny" [syn: {bad cheque}]
bad cheque
1: a check that is dishonored on presentation because of insufficient funds; "issuing a bad check is a form of larceny" [syn: {bad check}]
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