a variable whose values are solutions of an equation
unknown quantity
Noun
a factor in a given situation whose bearing and importance is not apparent
uplink
Noun
a transmission from Earth to a spacecraft or the path of such a transmission
unavoidable casualty
Noun
a natural and unavoidable catastrophe that interrupts the expected course of events
upthrow
Noun
(geology) a rise of land to a higher elevation (as in the process of mountain building)
upthrust
Noun
(geology) a rise of land to a higher elevation (as in the process of mountain building)
uplifting
Noun
the rise of something
uproar
Noun
loud confused noise from many sources
uproar
Noun
a state of commotion and noise and confusion
undulation
Noun
(physics) a movement up and down or back and forth
undulation
Noun
wavelike motion
undulation
Noun
an undulating curve
undertow
Noun
the seaward undercurrent created after waves have broken on the shore
undertow
Noun
an inclination contrary to the strongest or prevailing feeling
undertide
Noun
a current below the surface of a fluid
ungratefulness
Noun
a lack of gratitude
urge
Noun
a strong restless desire
urge
Noun
an instinctive motive
urge
Verb
force or impel in an indicated direction
urge
Verb
spur on or encourage especially by cheers and shouts
urge
Verb
push for something
uncomfortableness
Noun
embarrassment deriving from the feeling that others are critically aware of you
uncomfortableness
Noun
the state of being tense and feeling pain
unassertiveness
Noun
diffidence about self promotion
unrest
Noun
a feeling of restless agitation
unrest
Noun
a state of agitation or turbulent change or development
umbrage
Noun
a feeling of anger caused by being offended
unhappiness
Noun
emotions experienced when not in a state of well-being
unhappiness
Noun
state characterized by emotions ranging from mild discontentment to deep grief
ulcer diet
Noun
a diet of foods that are not irritating
upside-down cake
Noun
batter baked atop a layer of sweetened fruit then turned upside down so fruit is on top
unleavened bread
Noun
brittle flat bread eaten at Passover
ugli
Noun
large sweet juicy hybrid between tangerine and grapefruit having a thick wrinkled skin
ugli fruit
Noun
large sweet juicy hybrid between tangerine and grapefruit having a thick wrinkled skin
ugli fruit
Noun
hybrid between grapefruit and mandarin orange
universal set
Noun
(mathematics) the set that contains all the elements or objects involved in the problem under consideration
underperformer
Noun
a business that is less successful than expected
underperformer
Noun
a student who does not perform as well as expected or as well as the IQ indicates
underwriter
Noun
a financial institution that sells insurance
underwriter
Noun
an agent who sells insurance
underwriter
Noun
a banker who deals chiefly in underwriting new securities
unit investment trust
Noun
a regulated investment company consisting of professional managers who issue redeemable securities representing a portfolio of many different securities
unit trust
Noun
a regulated investment company consisting of professional managers who issue redeemable securities representing a portfolio of many different securities
underclass
Adjective
belonging to the lowest and least privileged social stratum
underclass
Noun
the social class lowest in the social hierarchy
union shop
Noun
a company allowed to hire nonunion workers on the condition that they will join the union within a specified time
unit matrix
Noun
a scalar matrix in which all of the diagonal elements are unity
ulema
Noun
the body of Mullahs (Muslim scholars trained in Islam and Islamic law) who are the interpreters of Islam's sciences and doctrines and laws and the chief guarantors of continuity in the spiritual and intellectual history of the Islamic community
ulama
Noun
the body of Mullahs (Muslim scholars trained in Islam and Islamic law) who are the interpreters of Islam's sciences and doctrines and laws and the chief guarantors of continuity in the spiritual and intellectual history of the Islamic community
upper class
Noun
the class occupying the highest position in the social hierarchy