pelletierine
An alkaloid obtained from pomegranate bark and used as a taenifuge.

pellitorine
An unsaturated secondary amide that occurs as a toxic alkaloid in the root of the pellitory

pellotine
An alkaloid from the cactus Lophophora diffusa, formerly used as a soporific drug.

pelopium
A supposed chemical element, later found to be a mixture of niobium and tantalum.

pelsparite
A limestone consisting of pellets and sparry calcite cement.

penaeidin
Any of a group of antimicrobial peptides, found in shrimps, that bind chitin

penaeidins
plural of penaeidin

pendrin
A protein involved in the exchange of chloride and iodide ions across biological membranes.

pendrins
plural of pendrin

penehyclidine
An anticholinergic agent (as the hydrochloride) that has antimuscarinic and antinicotinic activity

peneston
Alternative form of penistone.

penestons
plural of peneston

penguinone
The cyclic dienone 3,4,4,5-tetramethylcyclohexa-2,5-dienone

penistone
A coarse woolen material or frieze, used in England during the 16th and 17th centuries.

penistones
plural of penistone

penka
Alternative form of penker.

penkas
plural of penka

penker
A large marble, usually made of stone or metal, used in the game of marbles.

penkers
plural of penker

pennistone
Alternative form of penistone.

pennistones
plural of pennistone

pennystone
Alternative form of penistone.

pennystones
plural of pennystone

pennywhistle
A six-holed flute-like instrument with a fipple. They have approximately a two octave range (sometimes a little higher). Stereotypically, they are made out of tin, but in reality they come in all sorts of varieties, including tin, brass, nickel, cane, polymer, etc.

pennywhistles
plural of pennywhistle

pentaalanine
Any oligopeptide consisting of five alanine residues

pentaalanines
plural of pentaalanine

pentaaluminium
Five atoms of aluminium in a chemical compound.

pentaaluminum
pentaaluminium.

pentaantimonide
Any antimonide containing five atoms of antimony per molecule, Sb₅.

pentaantimonides
plural of pentaantimonide

pentaarsenic
Five arsenic atoms or ions in a compound (As₅).

pentaazamacrocycle
Any macrocycle that has five nitrogen atoms in the ring

pentaazamacrocycles
plural of pentaazamacrocycle

pentabismuth
Five bismuth atoms or ions in a compound (Bi₅).

pentabodies
plural of pentabody

pentabody
A pentavalent ligand that attaches to transmembrane proteins

pentaborane
Either of two boranes containing five boron atoms, but especially the stable compound B₅H₉ once proposed as a rocket fuel

pentaboranes
plural of pentaborane

pentaborate
The oxyanion of boron B₅O₈⁻; any salt containing this anion

pentaborates
plural of pentaborate

pentabromide
any bromide containing five bromine atoms in each molecule

pentabromides
plural of pentabromide

pentacalcium
Five atoms of calcium in a compound.

pentacarbide
Any carbide containing five carbon atoms per molecule

pentacarbides
plural of pentacarbide

pentacarbonyl
Any metal carbonyl containing five carbonyl groups

pentacarbonyls
plural of pentacarbonyl

pentachloride
any chloride containing five chlorine atoms in each molecule

pentachlorides
plural of pentachloride

pentachloro
Five chlorine atoms in a compound

pentachlorocyclohexane
Any pentachloro derivative of cyclohexane, but especially 1,1,2,2,3-pentachlorocyclohexane

pentachlorocyclohexanes
plural of pentachlorocyclohexane

pentachlorocyclohexanol
Any pentachloro derivative of cyclohexanol, but especially 2,3,4,5,6-pentachlorocyclohexanol

pentacontane
Any of very many isomers of the aliphatic hydrocarbon having fifty carbon atoms, but especially n-pentacontane CH₃(CH₂)₄₈CH₃

pentacontanes
plural of pentacontane

pentacopper
Five atoms of copper in a chemical compound.

pentacyclization
Formation of a pentacyclic compound.

pentacyclizations
plural of pentacyclization

pentadecacopper
Fifteen atoms of copper in a compound.

pentadecahydrate
A hydrate containing fifteen molecules of water per molecule or unit cell.

pentadecahydrates
plural of pentadecahydrate

pentadecamer
An oligomer having fifteen subunits.

pentadecamers
plural of pentadecamer

pentadecane
Any of very many isomeric saturated aliphatic hydrocarbons having fifteen carbon atoms; but especially n-pentadecane, CH₃(CH₂)₁₃CH₃

pentadecanes
plural of pentadecane

pentadecanol
A saturated aliphatic alcohol that has fifteen carbon atoms, but especially 1-pentadecanol

pentadecanone
Any of several isomeric aliphatic ketones having fifteen carbon atoms

pentadecanones
plural of pentadecanone

pentadecapeptide
An oligopeptide composed on fifteen amino acid residues

pentadecapeptides
plural of pentadecapeptide

pentadecene
Any alkene that has fifteen carbon atoms and one double bond, but especially 1-pentadecene or cis 7-pentadecene

pentadecenes
plural of pentadecene

pentadecyne
Any alkyne that has fifteen carbon atoms

pentaerythrityl
The tetravalent radical derived from pentaerythritol

pentaerythrityls
plural of pentaerythrityl

pentaethylacetophenone
A chemical compound, C₁₈H₁₃O.

pentafluoride
Any fluoride containing five fluorine atoms in each molecule.

pentafluorides
plural of pentafluoride

pentafluoro
Five fluorine atoms in a molecule

pentafluorobenzoyl
The 2,3,4,5,6-pentafluoro derivative of the benzoyl radical

pentafluorobenzoyls
plural of pentafluorobenzoyl

pentafluoroethane
A refrigerant and fire suppression agent with the chemical formula CF₃CHF₂.

pentafluoroethyl
Any pentafluoro derivative of an ethyl group

pentafluoroethyls
plural of pentafluoroethyl

pentafluorophenyl
A phenyl group in which the five hydrogen atoms have been replaced by those of fluorine ( C₆F₅- )

pentafluoropyridine
The fully fluorinated derivative of pyridine; it is used in the synthesis of various heterocyclic compounds.

pentafluoropyridines
plural of pentafluoropyridine

pentafluoros
plural of pentafluoro

pentafluorosulfanyl
Any pentafluoro derivative of a sulfanyl radical

pentafluorosulfanyls
plural of pentafluorosulfanyl

pentafluorphenyl
Misspelling of pentafluorophenyl.

pentagalloyl
Five galloyl groups in a compound

pentaglycine
An oligopeptide (or section of a protein) consisting of five glycine amino acids

pentaglycines
plural of pentaglycine

pentaglycosylceramide
A glycosylceramide in which the sugar is a pentasaccharide

pentaglycosylceramides
plural of pentaglycosylceramide

pentagraphene
Alternative form of penta-graphene.

pentaguanine
Five consecutive guanine residues in a protein or peptide

pentahalide
Any halide containing five halogen atoms

pentahalides
plural of pentahalide

pentahelicene
The helicene having five benzene rings fused into a flat spiral

pentahelicenes
plural of pentahelicene

pentahydrate
A hydrate whose solid contains five molecules of water of crystallization per molecule, or per unit cell.

pentahydrates
plural of pentahydrate

pentahydroxy
Five hydroxy groups in a molecule.

pentahydroxyflavone
Any flavone with five hydroxyl groups.

pentaiodide
Any iodide having five iodine atoms

pentaiodides
plural of pentaiodide

pentairon
Five iron atoms or ions in a compound (Fe₅).

pentaketide
Any polyketide composed of five ketide monomers

pentaketides
plural of pentaketide

pentakisphosphate
A compound having five simple phosphate groups

pentakisphosphates
plural of pentakisphosphate

pental
sodium thiopental, a common anesthetic

pentalead
Five atoms of lead in a chemical compound.

pentalenene
A triquinane sesquiterpene related to pentalenic acid

pentaloop
A loop of five nucleotides in a nucleic acid

pentaloops
plural of pentaloop

pentaluminium
pentaaluminium.

pentaluminum
pentaaluminium.

pentalysine
An oligopeptide composed of five lysine amino acids
A group of five lysine residues in a protein

pentamagnesium
Five magnesium atoms in a molecule.

pentamanganese
Five atoms of manganese in a chemical compound.

pentamannose
A pentasaccharide composed of five mannose units

pentamannoses
plural of pentamannose