| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024un•known /ʌnˈnoʊn/USA pronunciation adj. - not known;
not within the range of knowledge, experience, or understanding;
strange;
unfamiliar. - not discovered, explored, identified, or figured out:an unknown amount.
- not widely known;
not famous;
obscure:an unknown author.
n. [countable] - a person or thing that is unknown.
- Mathematicsa symbol representing an unknown quantity:In algebra an unknown is frequently represented by a letter from the last part of the alphabet, as x, y, or z.
WordReference Random House Unabridged Dictionary of American English © 2024un•known (un nōn′),USA pronunciation adj. - not known;
not within the range of one's knowledge, experience, or understanding;
strange;
unfamiliar. - not discovered, explored, identified, or ascertained:the unknown parts of Antarctica.
- not widely known;
not famous;
obscure:an unknown writer.
n. - a thing, influence, area, factor, or person that is unknown:the many unknowns in modern medicine; The director cast an unknown in the leading role.
- Mathematicsa symbol representing an unknown quantity: in algebra, analysis, etc., frequently represented by a letter from the last part of the alphabet, as x, y, or z.
- Middle English unknow(e)noun, nominal See un-1, known 1250–1300
Collins Concise English Dictionary © HarperCollins Publishers:: unknown /ʌnˈnəʊn/ adj - not known, understood, or recognized
- not established, identified, or discovered: an unknown island
- not famous; undistinguished: some unknown artist
- unknown quantity ⇒ a person or thing whose action, effect, etc, is unknown or unpredictable
n - an unknown person, quantity, or thing
- a variable, or the quantity it represents, the value of which is to be discovered by solving an equation; a variable in a conditional equation
unˈknownness n |