Invoke vs Require - What's the difference?
invoke | require |
To call upon (a person, especially a god) for help, assistance or guidance.
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To appeal for validation to a (notably cited) authority.
To conjure up with incantations.
To bring about as an inevitable consequence.
To solicit, petition for, appeal to a favorable attitude.
(computing) To cause (a program or subroutine) to execute.
* C++ lets you invoke an operator function either by calling the function or by using the overloaded operator with its usual syntax. — Stephen Prata.
(label) To ask (someone) for something; to request.
*, Bk.XI:
*:I requyre yow lete vs be sworne to gyders that neuer none of vs shalle after this day haue adoo with other, and there with alle syre Tristram and sire Lamorak sware that neuer none of hem shold fyghte ageynst other nor for wele, nor for woo.
*1526 , Bible , tr. William Tyndale, Mark V:
*:I requyre the in the name of god, that thou torment me nott.
To demand, to insist upon (having); to call for authoritatively.
*1998 , Joan Wolf, The Gamble , Warner Books:
*:"I am Miss Newbury," I announced, "and I require to be shown to my room immediately, if you please."
*2009 , Vikram Dodd, The Guardian , 29 December:
*:‘Regrettably, I have concluded, after considering the matter over Christmas, that I can no longer maintain the high standard of service I require of myself, meet the demands of office and cope with the pressures of public life, without my health deteriorating further.’
Naturally to demand (something) as indispensable; to need, to call for as necessary.
*1972 , "Aid for Aching Heads", Time , 5 June:
*:Chronic pain is occasionally a sign of a very serious problem, like brain tumors, and can require surgery.
*2009 , Julian Borger, The Guardian , 7 February:
*:A weapon small enough to put on a missile would require uranium enriched to more than 90% U-235.
To demand of (someone) to do something.
*1970 , "Compulsory Midi", Time , 29 June:
*:After Aug 3 all salesgirls will be required to wear only one style of skirt while on duty: the midi.
*2007 , Allegra Stratton, "Smith to ban non-EU unskilled immigrants from working in UK", The Guardian , 5 December:
*:The government would like to require non-British fiances who wish to marry a British citizen to sit an English test.
As verbs the difference between invoke and require
is that invoke is to call upon (a person, especially a god) for help, assistance or guidance while require is (label) to ask (someone) for something; to request.invoke
English
Alternative forms
* envokeVerb
(invok)- In certain Christian circles invoking the Bible constitutes irrefutable proof.
- This satanist ritual invokes Beelzebub.
- Blasphemy is taboo as it may invoke divine wrath.
- The envoy invoked the King of Kings's magnanimity to reduce his province's tribute after another draught.
- Interactive programs let the users enter choices and invoke the corresponding routines.