Webster's 1913 Dictionary
PRECONDITION
PRECONDITION Pre `con *di "tion, n.
Defn: A previous or antecedent condition; a preliminary condition.
New American Oxford Dictionary
precondition
pre con di tion |ˌprēkənˈdiSHən ˈˌprikənˈdɪʃən | ▶noun a condition that must be fulfilled before other things can happen or be done: a precondition for peace. ▶verb [ with obj. ] 1 (usu. be preconditioned ) condition (an action ) to happen in a certain way: inquiries are always preconditioned by cultural assumptions. • condition or influence (a person or animal ) by exposing them to stimuli or information prior to the relevant behavioral situation: [ with obj. and infinitive ] : the anthropologist is not preconditioned to interact with those he studies | (as noun preconditioning ) : the protective effect of preconditioning. 2 bring (something ) into the desired state for use: (as adj. preconditioned ) : preconditioned paper.
Oxford Dictionary
precondition
pre |con ¦di ¦tion |priːkənˈdɪʃ (ə )n | ▶noun a condition that must be fulfilled before other things can happen or be done: a precondition for peace. ▶verb [ with obj. ] 1 condition (an action ) to happen in a certain way: enquiries are always preconditioned by cultural assumptions. • condition or influence (a person or animal ) by exposing them to stimuli or information prior to the relevant behavioural situation: [ with obj. and infinitive ] : the anthropologist is not preconditioned to interact with those he studies | (as noun preconditioning ) : the protective effect of preconditioning. 2 bring (something ) into the desired state for use: (as adj. preconditioned ) : preconditioned paper.
American Oxford Thesaurus
precondition
precondition noun one of the preconditions is a spotless driving record: prerequisite, (necessary /essential ) condition, requirement, necessity, essential, imperative, sine qua non; informal must.
Oxford Thesaurus
precondition
precondition noun political stability is a precondition for economic revival: prerequisite, necessary condition, obligatory condition, essential condition, condition, requirement, necessity, essential, necessary thing, imperative, stipulation, proviso; Latin sine qua non; informal must.
Sanseido Wisdom Dictionary
precondition
pre con di tion /prìːkəndɪ́ʃ (ə )n /名詞 C ｟かたく ｠【物 事に対する 】必要 [前提 ]条件 «for , of » .動詞 他動詞 1 〈条件など 〉をあらかじめ調整する [整える ].2 …の心構えをさせる .
The Wordsmith Dictionary