unknown

sconosciuto, ignoto

Che nessuno conosce o comprende.

In inglese semplice: Not known or understood by anyone.

• The cause is unknown.
• Her exact date of birth remains unknown.
• They found a substance of unknown origin.

Sinonimi: undetermined, unexplained

Contrari: known

Espressioni comuni: unknown cause, remain unknown, unknown origin

sconosciuto, non identificato

Di cui non si conosce l’identità o che poche persone conoscono.

In inglese semplice: Not recognized, named, or familiar to many people.

• An unknown caller left a message.
• The painting was by an unknown artist.
• She was relatively unknown before her first film.

Come si usa: unknown to someone (The young writer was unknown to most readers.)

Sinonimi: unidentified, unfamiliar, obscure

Contrari: famous, well-known

Espressioni comuni: unknown artist, unknown caller, relatively unknown

incognita

Numero indicato da una lettera in un problema matematico, di cui bisogna trovare il valore.

In inglese semplice: A number represented by a letter in a maths problem whose value you must find.

• Find the unknown in this equation.
• The letter x represents an unknown.
• We solved two equations with two unknowns.

Sinonimi: unknown variable

Espressioni comuni: solve an unknown, one unknown, two unknowns