Meaning of CONDITIONAL in English

CONDITIONAL

1.

If a situation or agreement is ~ on something, it will only happen or continue if this thing happens.

Their support is ~ on his proposals meeting their approval.

...a ~ offer.

ADJ: oft ADJ on n/-ing

~ly

Mr Smith has ~ly agreed to buy a shareholding in the club.

ADV: ADV with v

2.

In grammar, a ~ clause is a subordinate clause which refers to a situation which may exist or whose possible consequences you are considering. Most ~ clauses begin with ‘if’ or ‘unless’, for example ‘If that happens, we’ll be in big trouble’ and ‘You don’t have to come unless you want to’.

ADJ: ADJ n

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .