ment is not a Spanish word, but the rest of it means: "one that was ??? to love"
'uno (minus, really 'menos' in Spanish) uno' = 'one minus one'
uno means one (1). It can also mean the indefinite article "a" or "an".
Uno minuto mas -One minute more
One for all. All for one
Numeral uno means number one in Spanish. It also means roman numeral one in Spanish which is "I". Edit: "numeral uno" actually means "numeral one". But you probably meant to write "número uno" which means "number one". It does not mean roman numeral one.
One and are (?)
If you mean the subtraction, that would be "dos menus uno". If you mean a hyphen, to separate parts of a code, that would be "dos guión uno".
viente uno
The word "uno" in Spanish means "one" in English.
Treinta y uno translates from Spanish to mean thirty one.
I want a beer
Number one or the best.