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unknown [ʌn'nəun] n
gen.	indéterminé
chem.	inconnue f
comp., MS	inconnu (Used to describe a value, parameter, or variable that is not known)
econ., commun., mater.sc.	inconnu
stat.	non-spécifié m; non-déclaré m
tech.	inconnue f (factor)
Unknown [ʌn'nəun] n
comp., MS	Inconnu (A status message for an incoming call that indicates that the caller cannot be identified (e.g. Internet call))
English thesaurus
unknown [ʌn'nəun] abbr.
abbr.	u; u/k
abbr., agric.	unkn
abbr., amer.	unbeknownst (Unbeknownst to me, my mother was planning a party. Val_Ships)
mil., logist.	The standard identity definition of an evaluated track, object or entity which has not been identified. 2. In identification, the designation given to an evaluated track, object or entity that has not been identified. Related terms: friend; hostile; identification; neutral. (FRA)
USA	A code meaning "information not available." see also assumed friend, friend, neutral, suspect; An unidentified target. An aircraft or ship that has not been determined to be hostile, friendly, or neutral using identification friend or foe and other techniques, but that must be tracked by air defense or naval engagement systems. see also assumed friend, friend, neutral, suspect; An identity applied to an evaluated track that has not been identified (JP 3-01) see also assumed friend, friend, neutral, suspect
Unknown [ʌn'nəun] n
mil., abbr.	Ukn

unknown : 58 phrases in 22 subjects

Astronomy	1
Aviation	1
Chemistry	1
Communications	1
Construction	1
Electronics	3
Equestrian sports	1
Food service and catering	1
General	20
Government, administration and public services	1
Health care	1
Law	6
Life sciences	3
Materials science	3
Measuring instruments	1
Medical	2
Microsoft	2
Procedural law	3
Scientific	2
Sports	1
Transport	2
Welfare & Social Security	1