a mathematical element that when added to another number yields the same number
a quantity of no importance;
\\\"it looked like nothing I had ever seen before\\\"
\\\"reduced to nil all the work we had done\\\"
\\\"we racked up a pathetic goose egg\\\"
\\\"it was all for naught\\\"
\\\"I didn\\\'t hear zilch about it\\\"
a person of no influence
a secret method of writing
a message written in a secret code
Verb:
convert ordinary language into code;
\\\"We should encode the message for security reasons\\\"