unknown
part of speech
adjective, noun (unknown, unknowns)
meaning for a pupil
1) Unknown means not known: an unknown number. tree →
2) Unknown means not famous: an unknown singer. tree →
3) In maths the unknown is the number you are trying to find, often written as a letter like x or as a box. tree →
4) The unknown is everything we do not know yet: a journey into the unknown. tree →
sense in the lessons
Maths: the number to be found, often written as a letter or a box: «the unknown number plus 5 is 12»; work back from what is given. Science: explorers and scientists study the unknown. Stories: an unknown visitor, the unknown soldier.
examples
- 44) This whole paragraph is an interpolation of an unknown hand, as it can be easily proved. (Sefer Yetzirah, Kalisch 1877) tree →
- Tlie person of Pythagoras*') is as much an unknown quantity as that of Ben Sira. (Mordell, The Origin of Letters and Numerals according to Sefer Yetzirah (1914)) tree →
- When we find that in Egypt and Phoenicia only a decimal system of notation was used, without the principle of position, it may not be taken as proof that the decimal position and zero were unknown. (Mordell, The Origin of Letters and Numerals according to Sefer Yetzirah (1914)) tree →
- The unknown number plus 5 is 12. tree →
- Find the unknown. tree →
- An unknown number of birds flew away. tree →
- Let x be the unknown. tree →
- The letter came from an unknown sender. tree →
- Space is full of unknown worlds. tree →
- The painter was unknown until after she died. tree →
- Then, silently, he let himself go into the unknown. tree →
note
Adjective and noun. Marks the quantity the question asks for; work back from what is given (unknown + 5 = 12, so unknown = 12 − 5). Trap: «an unknown number flew away» often must be found by subtraction. Safety: do not open messages from unknown people.
In the corpora
- Context clues can help you work out the meaning of an unknown word.
- You should go into unknown water feet first, because it may be shallow or hide rocks.
- You should never taste, sniff or drink anything from an unknown bottle or container.
- Clicking on unknown links or pop-ups can bring viruses or tricks.
- Unknown callers could be scammers, so a parent answers or the call is ignored.
Trees and pragmatics
Every meaning and example of «unknown» parsed by Mova, each sentence with its dependency tree and frames.