protocephalon
The basic embryonic head of an anthropod.

protochronism
The pseudoscientific idea that Latin (or other languages) are descended from Romanian as opposed to vice versa.

protocitizenship
The status of protocitizen.

protoclone
One of the first organisms produced by a cloning regime

protoclones
plural of protoclone

protocluster
A group of galaxies that are beginning to form a cluster

protoclusters
plural of protocluster

protocneme
A primary mesentery of a zoantharian coelenterate

protocnemes
plural of protocneme

protocolization
notarization

protocolizations
plural of protocolization

protocollagen
A form of collagen prior to its hydroxylation

protoconid
One of the main cusps, at the anterolabial side.

protoconids
plural of protoconid

protoconule
A minor cusp between the protocone and paracone of an upper molar

protoconules
plural of protoconule

protoculture
The passing of behaviours from one generation to another among non-human primates. These cultures are very rudimentary, and do not exhibit complex cultural technology.

protocultures
plural of protoculture

protoeukaryote
A prokaryote that evolved into a eukaryote

protoeukaryotes
plural of protoeukaryote

protofascism
Any political system that is showing the beginnings of fascism.

protofascisms
plural of protofascism

protofeminism
A philosophical tradition anticipating modern feminist concepts before their arrival.

protofeminisms
plural of protofeminism

protofeudalism
Any social system preceding, and moving toward, later feudalism.

protofiber
The form of a spun plastic that forms into a fiber

protofibers
plural of protofiber

protofibrillization
The formation of protofibrils

protofibrillogenesis
The formation and development of protofibrils

protoflight
A strategy where no test-dedicated qualification article exists and all production hardware is intended for flight.

protogenoi
plural of protogenos

protogenos
Any of the first order of deities to come into existence, according to Greek cosmogony.

protoglomeruli
plural of protoglomerulus

protoglomerulus
A structure that develops into a glomerulus

protogospel
A hypothetical common gospel from which later gospels were derived.

protogospels
plural of protogospel

protogrammar
A rudimentary grammar.

protogrammars
plural of protogrammar

protogrunge
Collectively, the music that influenced the later grunge movement.

protogyny
The condition in which an organism begins life as a female and then changes into a male.
The condition of flowers whose female parts mature before the male ones.
The emergence of females before males from dormancy, or more rapid development of female brood leading to their appearance earlier in a season.
The arrival of females before males at a mating site.

protoheterotheca
A simple heterotheca

protohistories
plural of protohistory

protohistory
The period between prehistory and history, during which a culture or civilization has not yet developed writing, but other cultures have already noted its existence in their own writings.

protohypsodonty
The condition of being protohypsodont

protoilludane
A particular sesquiterpene that is the basis of many natural products

protoilludanes
plural of protoilludane

protoindustrialization
Alternative form of proto-industrialization.

protokaryotype
The earliest ancestor of a karyotype

protokaryotypes
plural of protokaryotype

protologies
plural of protology

protologism
A newly coined word or phrase defined in the hope that it will become common; a recently created term possibly in narrow use but not yet acknowledged.

protologisms
plural of protologism

protology
The branch of theology pertaining to origins and first things.
A text or oral history giving the origins of a people.
An error for proctology.

protolophule
A small crest in the paraflexus, connected to the protocone.

protolophules
plural of protolophule

protolophulid
A small crest in the mesoflexid, connected to the protoconid.

protolophulids
plural of protolophulid

protomartyr
Any of the first Christian martyrs.

protomartyrdom
The martyrdom of a protomartyr.

protomartyrdoms
plural of protomartyrdom

protomartyrs
plural of protomartyr

protomatter
The ultimate basis of physical substance, before it has been given form.
A hypothetical substance from which the universe was created.
An unstable substance that is powerful and dangerous.

protomite
An immature or beginning form of a tomite.

protomites
plural of protomite

protomodernism
A protomodern style.

protomodernity
The condition of being protomodern

protomorph
Something that has the most primitive character; that which is in the earliest form.

protomorphs
plural of protomorph

protomyofibroblast
A structure that develops into a myofibroblast

protomyofibroblasts
plural of protomyofibroblast

protonium
An exotic atom consisting of a proton bound to an antiproton.

protoniums
plural of protonium

protonym
The first legitimate name of a taxon, on which the currently accepted name is based.
The first/original entity after which another entity is named without the entities being related. If the entities are related, then the original entity is the eponym of the subsequent entities.

protonyms
plural of protonym

protopattern
An early or prototypical pattern.

protopatterns
plural of protopattern

protoperithecia
plural of protoperithecium

protoperithecium
A structure that develops into a perithecium

protophase
The instantaneous phase of an oscillation such as a heartbeat
Alternative form of prophase.

protophases
plural of protophase

protophenomenon
A fundamental phenomenon

protophilosophies
plural of protophilosophy

protophilosophy
An early or formative form of philosophy.
The process of gathering data prior to building theories and developing a full philosophy.

protophorphyrinogen
Misspelling of protoporphyrinogen.

protophysics
The early study of physics, before it became a rigorous established discipline.

protophytology
paleobotany

protopilgrimage
A journey or quest that predates or approaches being a pilgrimage.

protopilgrimages
plural of protopilgrimage

protoplanet
An astronomical object, approximately the size of the Moon, formed from the mutual gravitational attraction of planetesimals; they are thought to collide with each other and slowly form planets

protoplanets
plural of protoplanet

protoplasting
The formation of protoplasts

protoporphyrinogen
Any of several precursors in the biosynthesis of protoporphyrin

protoporphyrinogens
plural of protoporphyrinogen

protopresbyteries
plural of protopresbytery

protopresbytery
The jurisdiction of a protopresbyter.

protoproletariat
A group of unskilled labourers with the potential of becoming a proletariat.

protoproletariats
plural of protoproletariat

protopsychology
The emerging field of psychology before it was an established discipline.

protopunk
Collectively, the music (of various genres and backgrounds) that influenced the later punk movement in the 1970s.

protoracism
Alternative form of proto-racism.

protoracisms
plural of protoracism

protorap
Alternative form of proto-rap.

protoraps
plural of protorap

protoreligion
An early or formative religion.

protoreligions
plural of protoreligion

protoscience
An unscientific or pseudoscientific field of study which later becomes or spawns a science (e.g., astrology led to astronomy, alchemy led to chemistry, and, most generally, natural philosophy led to science).
A field of study at the initial phase of the scientific method, involving information gathering and hypothesis formulation, but is not yet falsifiable, or if it is, its predictions have not yet been observed.

protosciences
plural of protoscience

protoscripture
Something which is not yet scripture, but which is becoming or will become scripture

protoscriptures
plural of protoscripture

protosequence
The sequence of bases in an ancestral genome

protosequences
plural of protosequence