(by extension) A poetic form in which the sequence of words reads the same in either direction.
(by extension) A sequence of items that follows the same pattern both forwards and backwards.
(genetics) A stretch of DNA in which the sequence of nucleotides on one strand are in the reverse order to that of the complementary strand
A word, phrase, number or any other sequence of units which has the property of reading the same forwards as it does backwards, character for character, sometimes disregarding punctuation, capitalization and diacritics.
pallholder
pandoridae
panelboard
panelboard
noun
(US) a distribution board
panorpidae
papandreou
paperboard
paperboard
noun
A thick paper, or thin cardboard.
paperbound
paperbound
adj
(comparable) Involving or burdened by excessive administrative requirements, especially in the form of paperwork.
(not comparable, of a book) Having flexible covers; paperback; softcovered.
noun
(dated) A paperback book.
paradoxure
paradoxure
noun
Any member of the species of genus Paradoxurus, Asiatic viverrine mammals allied to the civet.
pardonable
pardonable
adj
Capable of being pardoned; worthy of pardon.
pardonless
pardonless
adj
unpardonable
parenthood
parenthood
noun
The state of being a parent
parethmoid
parethmoid
adj
(anatomy) Near or beside the ethmoid bone or cartilage; applied especially to a pair of bones in the nasal region of some fishes, and to the ethmoturbinals in some higher animals.
noun
(anatomy) A parethmoid bone.
pargeboard
parkerford
parmelioid
parmelioid
noun
any lichen of the family Parmeliaceae
parodiable
parodiable
adj
Suitable for parody.
parotidean
parotidean
Adjective
Relating to the parotid gland.
parvenudom
parvenudom
noun
The realm or sphere of parvenus.
pasteboard
pasteboard
adj
(figurative) unsubstantial; flimsy
noun
(computing, countable) A widget allowing multiple users to paste and share text or other items.
(slang, obsolete) A person's visiting card.
(usually uncountable) Card stock.
pastoraled
pastorised
patronised
patronised
verb
simple past tense and past participle of patronise
patronized
patronized
verb
simple past tense and past participle of patronize
peckerwood
peckerwood
noun
(Southern US, Appalachia) A peckerwood sawmill.
(Southern US, Appalachia, slang) A woodpecker.
(US, offensive, slang) A white person, especially a Southerner, or one who is ignorant, rustic, or bigoted.
(prison slang) A white (male) inmate, especially one who is racist or who is a member of a race-based prison gang.
pedagogery
pedagogery
noun
Alternative form of pedagoguery
pedatiform
pedatrophy
pediferous
pediferous
adj
(zoology) pedigerous; having feet
pedigerous
pedigerous
adj
(zoology) Bearing or having feet or legs.
pedometers
pedometers
noun
plural of pedometer
pedometric
pedometric
adj
Relating to pedometrics
Relating to, or measured by, a pedometer
pedosphere
pedosphere
noun
The outermost layer or "skin" of the Earth, subject to soil formation processes.
pedotrophy
pedotrophy
noun
The nourishment of children
pellagroid
pellagroid
adj
Resembling pellagra.
pentachord
pentachord
noun
(music) Five notes (pitch classes) in a scale.
A musical instrument with five strings.
pepperwood
pepperwood
noun
The California laurel.
perameloid
perbromide
perbromide
noun
(chemistry) A bromide having a higher proportion of bromine than any other bromide of the same substance or series.
percoidean
percolated
percolated
verb
simple past tense and past participle of percolate
perdendosi
perdendosi
noun
(music) A gradual fading away.
perfidious
perfidious
adj
Of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.
perforated
perforated
adj
Having a series of holes enabling easy tearing along a straight line.
Pierced with holes.
verb
simple past tense and past participle of perforate
peridiolum
peridiolum
noun
(botany) An inner peridium inside of which the hymenium is formed.
peridotite
peridotite
noun
(geology) A rock consisting of small crystals of olivine, pyroxene and hornblende; the major constituent of the Earth's mantle.
peridromoi
peridromos
periodical
periodical
adj
Of, or relating to such a publication.
Periodic.
Published at regular intervals of more than one day, especially weekly, monthly, or quarterly.
noun
A publication issued regularly, but less frequently than daily.
A regularly issued thematic publication that contains the most current information in its field, often the primary means for communication of original scholarship or creative work at the cutting edge of research in its field.
peripatoid
peropodous
peroxidase
peroxidase
noun
(biochemistry) Any of a class of enzymes that act on substrates such as hydrogen peroxide and organic hydroperoxides such as lipid peroxides.
peroxidate
peroxiding
peroxiding
verb
present participle of peroxide
peroxidize
peroxidize
verb
(intransitive) To be converted into a peroxide.
(transitive) To convert into a peroxide.
(transitive) To treat (especially hair) with a peroxide.
peroxyacid
peroxyacid
noun
Synonym of peracid (“acid containing an acidic -OOH group”)
perozonide
personated
personated
verb
past participle of personate
personhood
personhood
noun
The state or period of being a person.
The status of being considered as a person.
pescadores
petrohyoid
petrohyoid
adj
(anatomy) Pertaining to the petrous, or periotic, portion of the skull and the hyoid arch.
noun
(anatomy) A muscle of this kind.
petrolized
petrolized
verb
simple past tense and past participle of petrolize
phaeodaria
phelloderm
phelloderm
noun
(botany) The innermost parenchymatous tissue of the periderm of some plants
philodoxer
philodoxer
noun
One who is interested in opinions or beliefs, rather than facts.
phoronidea
photodrome
photodrome
noun
(dated) An apparatus consisting of a large wheel with spokes, which when turning very rapidly is illuminated by momentary flashes of light passing through slits in a rotating disk. By properly timing the succession of flashes, the wheel is made to appear to be motionless, or to rotate more or less slowly in either direction.
phrenoward
physoderma
picarooned
picarooned
verb
simple past tense and past participle of picaroon
picturedom
pignorated
pignorated
verb
simple past tense and past participle of pignorate
pinaverdol
pioneerdom
pirandello
pirouetted
pirouetted
verb
simple past tense and past participle of pirouette
placodermi
planterdom
platformed
platformed
verb
simple past tense and past participle of platform
pleurodira
pleurodire
pleurodire
noun
(zoology) Any of a group of side-necked turtles of the suborder Pleurodira
pleurodont
pleurodont
adj
(zoology) Having the teeth fused (ankylosed) by their sides to the inner surface of the jawbones
noun
(zoology) Any reptile with teeth of this kind.
plunderous
plunderous
adj
Tending to plunder.
pockmarked
pockmarked
adj
having pockmarks
incomplete, lacking, having holes
pitted, or scarred with holes
verb
simple past tense and past participle of pockmark
podargidae
podarginae
podiatries
polderland
polyhedral
polyhedral
adj
(aeronautics, of a fixed-wing aircraft) Having multiple dihedral angles along the wingspan.
(geometry, of a solid or surface) Having multiple planar faces or facets.
(mathematics, geometry) Of, pertaining to or derived from a polyhedron.
polyhedric
polyhedric
adj
Polyhedral; many-sided.
polyhedron
polyhedron
noun
(geometry) A solid figure with many flat faces and straight edges.
(optics) A polyscope, or multiplying glass.
polymeride
polymeride
noun
(organic chemistry) Polymer.
polypterid
polypterid
noun
(ichthyology) Any fish in the family Polypteridae, the bichirs and reedfish.
polyspored
polyspored
adj
polysporous
pomaderris
pomeridian
pomeridian
adj
(rare) Of or pertaining to the afternoon.
ponderable
ponderable
adj
(physics) Having a detectable amount of matter; having a measurable mass.
(rare) Heavy; ponderous.
Worthy of note; significant, interesting.
ponderance
ponderance
noun
The act or an instance of pondering; that which one ponders.
Weight; gravity.
ponderancy
ponderling
ponderment
ponderment
noun
A mental state characterized by pondering; a feeling of doubt and curiosity.
ponderosae
pontederia
pontevedra
pontevedra
Proper noun
The capital city of the province of the same name, in the autonomous community of Galicia, Spain.
A province in the southwest of Galicia
portending
portending
verb
present participle of portend
portunidae
postformed
postformed
verb
simple past tense and past participle of postform
postholder
postholder
noun
The holder of a post (title).
postmarked
postmarked
verb
simple past tense and past participle of postmark
posturised
posturised
verb
simple past tense and past participle of posturise
posturized
posturized
verb
simple past tense and past participle of posturize
potholders
potholders
noun
plural of potholder
poudreuses
poulardize
powderable
powderable
adj
That can be powdered.
powderhorn
powderhorn
noun
A horn in which gunpowder is carried.
powderizer
powderizer
noun
A machine that powderizes.
powderlike
powderlike
adj
Resembling powder.
powderpuff
powderpuff
adj
Being or relating to a division of a traditionally male sport that is reserved for females.
praecordia
praecordia
noun
(anatomy) The front part of the thoracic region; the epigastrium.
prairiedom
preabdomen
preabdomen
noun
(entomology) The anterior segments of the abdomen, distinguished from the posterior segments holding the reproductive apparatus.
The enlarged anterior portion of the abdomen of a scorpion or sea scorpion
preadjourn
preadopted
preadopted
verb
simple past tense and past participle of preadopt
prebeloved
prebeloved
adj
beloved in advance
preboyhood
prechordal
prechordal
adj
In front of the notochord
prechoroid
preclothed
precollude
precommand
precommend
preconcede
precondemn
precondemn
verb
(transitive) To condemn beforehand.
preconduct
preconfide
preconized
preconized
verb
simple past tense and past participle of preconize
precontend
precordial
precordial
adj
(anatomy) Of or pertaining to the precordium
precordium
precordium
noun
(anatomy) The region of the body over the heart and thorax.
predaceous
predaceous
adj
Surviving by preying on other animals.
predacious
predacious
adj
Alternative spelling of predaceous
predations
predations
noun
plural of predation
predeposit
predeposit
verb
(transitive) To deposit in advance.
predespond
predestroy
predevelop
predevelop
verb
(transitive) To develop in advance.
prediatory
predicator
predicator
noun
That which predicates; that designates a property or relationship
prediction
prediction
noun
(statistics) A probability estimation based on statistical methods.
A statement of what will happen in the future.
predictors
predictors
noun
plural of predictor
predictory
predictory
adj
Serving to predict; predictive.
prediploma
prediploma
adj
(education) Prior to a diploma.
predispose
predispose
verb
To make someone inclined to something in advance; to influence.
To make someone susceptible to something (such as a disease).
predivorce
predivorce
adj
Before a divorce.
prednisone
prednisone
noun
(pharmacology) A glucocorticoid C₂₁H₂₆O₅ that is a dehydrogenated analog of cortisone, used to relieve rheumatic and allergic conditions and to treat leukemia.