a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal
peeper
Noun
an animal that makes short high-pitched sounds
peeper
Noun
an informal term referring to the eye
peeper
Noun
a viewer who enjoys seeing the sex acts or sex organs of others
poikilotherm
Noun
an animal whose body temperature varies with the temperature of its surroundings
pack animal
Noun
an animal (such as a mule or burro or horse) used to carry loads
pollard
Noun
a usually horned animal that has either shed its horns or had them removed
pollard
Noun
a tree with limbs cut back to promote a more bushy growth of foliage
pollard
Verb
convert into a pollard
pup
Noun
young of any of various canines such as a dog or wolf
pup
Noun
an inexperienced young person
pup
Verb
birth
puppy
Noun
a young dog
puppy
Noun
an inexperienced young person
probiotic flora
Noun
a beneficial bacterium found in the intestinal tract of healthy mammals
phage
Noun
a virus that is parasitic (reproduces itself) in bacteria
pseudomonad
Noun
bacteria usually producing greenish fluorescent water-soluble pigment
plant virus
Noun
a plant pathogen that is a virus consisting of a single strand of RNA
pleurodont
Noun
an animal having teeth fused with the inner surface of the alveolar ridge without sockets
paramyxovirus
Noun
a group of viruses including those causing mumps and measles
picornavirus
Noun
a group of single-strand RNA viruses with a protein coat
poliovirus
Noun
the virus causing poliomyelitis
polymorph
Noun
an organism that can assume more than one adult form as in the castes of ants or termites
papovavirus
Noun
any of a group of animal viruses associated with or causing papillomas or polyomas
polyoma
Noun
a virus the can initiate various kinds of tumors in mice
polyoma virus
Noun
a virus the can initiate various kinds of tumors in mice
parainfluenza virus
Noun
a virus that causes upper respiratory infection (including the common cold and bronchiolitis)
parvovirus
Noun
any of a group of viruses containing DNA in an icosahedral protein shell and causing disease in dogs and cattle
parvo
Noun
any of a group of viruses containing DNA in an icosahedral protein shell and causing disease in dogs and cattle
potato yellow-dwarf virus
Noun
the virus that produces stunting and yellowing of the leaves of potato plants
protoctist order
Noun
the order of protoctists
poxvirus
Noun
any of a group of viruses that can cause pox diseases in vertebrates
phototrophic bacteria
Noun
green and purple bacteria
phototropic bacteria
Noun
green and purple bacteria
purple bacteria
Noun
free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll
probiotic
Noun
a beneficial bacterium found in the intestinal tract of healthy mammals
probiotic bacterium
Noun
a beneficial bacterium found in the intestinal tract of healthy mammals
probiotic microflora
Noun
a beneficial bacterium found in the intestinal tract of healthy mammals
phycocyanin
Noun
blue pigment in algae
pneumococcus
Noun
bacterium causing pneumonia in mice and humans
pleuropneumonialike organism
Noun
a mycoplasma resistant to antibiotics that causes a kind of pneumonia in humans
plankton
Noun
the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water
phytoplankton
Noun
photosynthetic or plant constituent of plankton
planktonic algae
Noun
unicellular algae
potato scab bacteria
Noun
cause of a potato disease characterized by brownish corky tissue
parasite
Noun
an animal or plant that lives in or on a host (another animal or plant)
parasite
Noun
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage