praseodidymium
Obsolete form of praseodymium.

praseodymium
A chemical element (symbol Pr) with an atomic number of 59, a soft, silvery, malleable and ductile rare earth metal, valued for its magnetic, electrical, chemical, and optical properties.

praseodymiums
plural of praseodymium

prasinite
Synonym of greenschist.

pratol
An O-methylated flavone found in Trifolium pratense.

prawlin
Obsolete form of praline.

prawling
Obsolete form of praline.

prawlings
plural of prawling

prawlins
plural of prawlin

prazitone
A barbiturate derivative.

preameloblast
The precursor of an ameloblast

preameloblasts
plural of preameloblast

preamylase
A precursor of amylase

preamylases
plural of preamylase

preautophagosome
A precursor in the formation of an autophagosome

preautophagosomes
plural of preautophagosome

prebutton
A precursor to a rattle found on newborn rattlesnakes.

prebuttons
plural of prebutton

precalciner
A chamber in which rawmix is heated and partially calcined prior to entering the cement kiln.

precalciners
plural of precalciner

precatenane
Either of two or more intertwined molecules that form a catenane following ring closure

precatenanes
plural of precatenane

precerebellin
A precursor of cerebellin.

precipitinogen
A substance that produces a precipitin.

precipitinogens
plural of precipitinogen

precocene
A chromene, 7-methoxy-2,2-dimethyl-3-chromene, that inhibits juvenile hormone biosynthesis in some insects

preconcentration
The concentration of a trace material prior to an analysis

preconcentrations
plural of preconcentration

preconcept
The mental precursor to a fully-formed concept.

preconcepts
plural of preconcept

precorrin
Any of a group of methylated uroporphyrinogens that are intermediate in the biosynthesis of vitamin B12

precorrins
plural of precorrin

predeveloper
A substance used prior to developer.
An agent who acquires land for the purpose of later development.

predevelopers
plural of predeveloper

predissociation
The dissociation of a molecule, following absorption of light energy, by tunnelling

predissociations
plural of predissociation

predpol
Predictive policing, using data and analytics to anticipate crimes.

prefagomine
A precursor of fagomine

preglobulomer
A precursor of a globulomer

preglobulomers
plural of preglobulomer

pregnacalciferol
Synonym of hydroxycholecalciferol.

pregnacalciferols
plural of pregnacalciferol

pregnadiene
Any derivative of pregnane having double bonds in both the A- and B-rings

pregnadienes
plural of pregnadiene

pregnanedione
Synonym of dihydroprogesterone.

pregnatriene
A triene derivative of a pregnane.

pregnatrienes
plural of pregnatriene

pregnene
Any derivative of pregnane having a double bond in the A-ring

pregnenedione
An unsaturated diketone derivative of a pregnane.

pregnenediones
plural of pregnenedione

pregnenes
plural of pregnene

preharvesting
Tasks carried out in preparation for harvesting, such as checking crop readiness and soil conditions and arranging logistics and storage.

preheader
Material that precedes a header.

preheaders
plural of preheader

prehealth
Any course of study taken by an undergraduate in preparation for study in healthcare.

preimage
For a given function, the set of all elements of the domain that are mapped into a given subset of the codomain; (formally) given a function ƒ : X → Y and a subset B ⊆ Y, the set ƒ⁻¹(B) = {x ∈ X : ƒ(x) ∈ B}.

preimages
plural of preimage

preinitiator
Any material that causes preinitiation

preinitiators
plural of preinitiator

preinocula
plural of preinoculum

preinoculum
Material added before an inoculum

prelipoprotein
The precursor of a lipoprotein

prelipoproteins
plural of prelipoprotein

premedicine
Synonym of pre-med.

premelanocyte
The precursor of a melanocyte.

premelanocytes
plural of premelanocyte

premnaspirodiene
The vetispirane (2R,5S,10R)-6,10-dimethyl-2-(prop-1-en-2-yl)spiro[4.5]dec-6-ene

premobilization
Actions taken in advance of, and in preparation for, mobilization (of an army).

premyoblast
The precursor of a myoblast

premyoblasts
plural of premyoblast

prenucleosome
A composite of histone and DNA that is converted into a nucleosome by a motor protein

prenucleosomes
plural of prenucleosome

prenyl
isoprenyl

prenylchalcone
Any prenylated chalcone.

prenylchalcones
plural of prenylchalcone

prenylflavonoid
Any prenylated flavonoid.

prenylflavonoids
plural of prenylflavonoid

prenylflavonol
Any prenylated flavonol.

prenylflavonols
plural of prenylflavonol

prenylome
The complete set of prenylated compounds associated with a particular genome.

prenylomes
plural of prenylome

prenyls
plural of prenyl

prenylsurfactant
A surfactant (typically a sulfonate) that has a polyisoprene chain as the lipophylic (hydrophobic) part

prenylsurfactants
plural of prenylsurfactant

preoxiredoxin
Misspelling of peroxiredoxin.

preparement
Preparation.

preparements
plural of preparement

prephase
A prior phase; the condition before a particular phase

prephases
plural of prephase

prepilin
Synonym of prepilin peptidase.

prepilins
plural of prepilin

preplasma
A short-lived precursor of a plasma formed by the interaction of a laser with a metal foil

preplasmas
plural of preplasma

prepolymer
Any oligomer or other macromolecule that is capable of further polymerization.

prepolymers
plural of prepolymer

prepreg
Fiber material impregnated with its matrix material, usually a plastic, well before its use to form a manufactured part.

prepregs
plural of prepreg

prepreparation
Preparation that takes place before the main period of preparation.

preproalbumin
A precursor of an albumin that has an extension of amino acids at the N-terminus

preproalbumins
plural of preproalbumin

preprocalcitonin
A precursor in the biosynthesis of procalcitonin, as well as calcitonin and katacalcin further downstream.

preprocathepsin
A precursor of procathepsins

preprocathepsins
plural of preprocathepsin

preproenkaphalin
Misspelling of preproenkephalin.

preproenkephalin
A precursor of proenkephalin

preproenzyme
The precursor of a proenzyme

preproenzymes
plural of preproenzyme

preprofessionalism
The early inclusion in education of elements relating to a later profession.

preproghrelin
A precursor of proghrelin

preproglucagon
Any polypeptide precursor of a proglucagon.

preproglucagons
plural of preproglucagon

preprohepcidin
A prepropeptide that is a precursor of prohepcidin

preprohormone
The precursor of a prohormone.

preprohormones
plural of preprohormone

preprohypocretin
A precursor of hypocretin.

preproinsulin
A biologically inactive precursor to the endocrine hormone insulin.

preprolactin
The precursor to prolactin

preprolactins
plural of preprolactin

prepromelanin
A precursor of melanin.

preproneuropeptide
A precursor of a proneuropeptide

preproneuropeptides
plural of preproneuropeptide

prepronociceptin
A protein that is the precursor of nociceptin and nocistatin

preproopiomelanocortin
A precursor polypeptide involved in the synthesis of various hormones.

preproopiomelanocortins
plural of preproopiomelanocortin

preproorexin
A precursor of orexin, selectively expressed in the lateral hypothalamic area.

prepropeptide
The precursor of a propeptide

prepropeptides
plural of prepropeptide

prepropheromone
A precursor of a propheromone

prepropheromones
plural of prepropheromone

preproprotein
The precursor of a proprotein

preproproteins
plural of preproprotein

preprorelaxin
A precursor of prorelaxin.

preprorelaxins
plural of preprorelaxin

preprotachykinin
Any of a family of peptide precursors of the tachykinin neurotransmitters

preprotachykinins
plural of preprotachykinin

preprotease
A precursor of a protease

preproteases
plural of preprotease

preprotein
A polypeptide chain that is in the process of growing into a protein by the addition of successive amino acid moieties

preproteins
plural of preprotein

preprothrombin
A precursor of thrombin.