umbrisol
A kind of soil with a dark topsoil and having organic matter accumulated within the mineral surface soil.

umbrisols
plural of umbrisol

umiri
Synonym of Umiri balsam.

umpolung
The chemical modification of a functional group with the aim of the reversal of polarity of that group.

umpolungs
plural of umpolung

unarion
An element in the bottom level of associative composition algebra, which is an element in a field

uncarine
Any of a family of oxindole alkaloids.

uncarines
plural of uncarine

unction
An ointment or salve.
A religious or ceremonial anointing.
A balm or something that soothes.
A quality in language, address or delivery which expresses sober and fervent emotion.
Unctuousness: A smug, exaggerated use of language; smarminess.
Divine or sanctifying grace.

unctions
plural of unction

undecaborate
Eleven borate anions in a compound
Eleven boron atoms in an anionic cluster compound.

undecaborates
plural of undecaborate

undecaheme
Eleven heme groups in a molecule

undecahydrate
A hydrate whose solid contains eleven molecules of water of crystallization per molecule, or per unit cell

undecahydrates
plural of undecahydrate

undecahydroxy
Chemical containing eleven hydroxy groups, (OH)₁₁

undecamer
An oligomer having eleven subunits.

undecamers
plural of undecamer

undecan
undecane.

undecane
Any of many isomers of the aliphatic hydrocarbon having 11 carbon atoms, but especially n-undecane CH₃(CH₂)₉CH₃

undecanes
plural of undecane

undecanucleotide
An oligonucleotide that has eleven base pairs

undecanucleotides
plural of undecanucleotide

undecapeptide
Any oligopeptide that has eleven amino acid units

undecapeptides
plural of undecapeptide

undecapotassium
Eleven potassium atoms or ions in a compound (K₁₁).

undecasulfide
A sulfide containing eleven sulfur functional groups or ions.

undecasulfides
plural of undecasulfide

undecazinc
A chemical compound containing eleven zinc atoms per formula: Zn₁₁.

undecylprodigiosin
The undecyl derivative of prodigiosin

underbed
An underlying base that supports a bed or foundation.

underbeds
plural of underbed

undercliff
A subordinate cliff on a shore, consisting of material that has fallen from the higher cliff above.

undercliffs
plural of undercliff

undercoater
Paint or other primer to be applied to a surface as an undercoat.

undercoaters
plural of undercoater

underdeliveries
plural of underdelivery

underdelivery
A delivery of insufficient material

underdiuresis
Insufficient diuresis, typically causing inappropriate oliguria and thus potentially electrolyte imbalances or other sequelae.

underfertilization
Inadequate fertilization; the underuse of fertilizer.

undermedication
Insufficient medicating; underuse of medication.

undermelt
A melted liquid that lies beneath a solid

underntide
Alternative form of undertide.

underpotential
A potential (for the deposition of a metal on a surface) that is greater than that predicted by the Nernst equation.

underpotentials
plural of underpotential

underside
The side that is below or underneath, the bottom.

undersides
plural of underside

underslide
The metal slide attached to the frog and sitting between the frog and the stick of a bow.

underslides
plural of underslide

undertide
Synonym of undern: originally terce and the morning, later (UK dialect obsolete) noon and the early afternoon.

undertides
plural of undertide

unfoldase
An enzyme that catalyzes protein unfolding

unfoldases
plural of unfoldase

unfoldome
The totality of intrinsically disordered proteins in an organism

unfoldomes
plural of unfoldome

unguenty
An ointment or salve; an unguent.

uniceptor
A receptor that has only a haptophore group or a haptophore and a zymophore group, but no complementophile group.

uniceptors
plural of uniceptor

unigram
An n-gram consisting of a single item from a sequence.

unigrams
plural of unigram

unimer
monomer

unimers
plural of unimer

unipot
A metal hut.

unipots
plural of unipot

uniread
A single read of the identity of a base in a nucleic acid string

unireads
plural of uniread

unisequence
A unique sequence (of bases in a nucleic acid)

unisequences
plural of unisequence

unison
Identical pitch between two notes or sounds; the simultaneous playing of notes of identical pitch (or separated by one or more octaves).
A sound or note having the same pitch as another, especially when used as the base note for an interval; a unison string.
The state of being in harmony or agreement; harmonious agreement or togetherness, synchronisation.
Two or more voices speaking or singing the same words together.

unisons
plural of unison

unmethylation
The removal of methyl groups from a previously methylated molecule

unniloctium
hassium.

unobtainium
A fictional material or component which, if it existed, would enable one to easily solve a hard problem.
An especially rare material or component that is outrageously expensive or otherwise almost impossible to get hold of.
A high technology component that is extremely expensive.

unobtainiums
plural of unobtainium

unobtanium
Alternative spelling of unobtainium.

unobtaniums
plural of unobtanium

untriacontane
Any of very many isomers of the aliphatic hydrocarbon having thirty-one carbon atoms, but especially n-untriacontane CH₃(CH₂)₂₉CH₃

untriacontanes
plural of untriacontane

unwindase
Synonym of helicase.

unwindases
plural of unwindase

upexpression
The greater than normal expression of a protein.

upexpressions
plural of upexpression

upflux
an upward flux

upglide
An upward glide.

upglides
plural of upglide

upslur
A slur in which the pitch of the note rises.

upslurs
plural of upslur

uracil
One of the bases of RNA, pairing with adenine.

uracils
plural of uracil

uramil
murexan

uramile
Obsolete form of uramil.

uranate
Any of several oxyanions of uranium; any salt containing these anions.

uranates
plural of uranate

uranide
Any of the transuranium elements immediately following uranium in the periodic table.

uranides
plural of uranide

uranocene
The actinocene cyclooctatetraenide with chemical formula U(C₈H₈)₂, one of the first organouranium compounds to be synthesized.

uranocenes
plural of uranocene

urbanonym
The name of an urban element (street, square etc.) in towns and cities.

urbanonyms
plural of urbanonym

ureaform
A fertilizer made from urea-formaldehyde reaction products.

ureaforms
plural of ureaform

ureid
Any of several classes of (mostly heterocyclic) compounds derived from urea

ureids
plural of ureid

urelement
A mathematical object which is not a set but which can be an element of a set.

urelements
plural of urelement

ureotelism
The excretion of excess nitrogen as urea

urethylane
methyl carbamate

ureylene
The divalent functional group -NH-CO-NH- derived from urea

ureylenes
plural of ureylene

uricogenesis
The biosynthesis of uric acid

uricolysis
The metabolism or breakdown of uric acid

uricotelism
The excretion of uric acid or its salts as a result of deamination

uricotely
uricotelism

uridrosis
The excretion of urea or uric acid in the sweat.

uridylylation
reaction with uridylic acid

uridylylations
plural of uridylylation

urlar
The base theme of a piece of classical bagpipe music.

urlars
plural of urlar

urobilinoid
Any derivative (typically a metabolic product) of urobilinogen

urobilinoids
plural of urobilinoid

urocanase
An enzyme that catalyzes the second step in the degradation of histidine, the hydration of urocanate into imidazolonepropionate.

urocanases
plural of urocanase

urofollitropin
A purified form of follicle-stimulating hormone from the urine of postmenopausal women, important in the development of follicles by the ovaries.

uroglaucin
A substance, apparently the same as indigo, occasionally found in the urine in degeneration of the kidneys. It is readily formed by oxidation or decomposition of indican.

urografin
Any of a family of contrast media containing derivatives of diatrizoic acid

urografins
plural of urografin