What is the difference between when and once?
when | once |
(interrogative) (Used to introduce questions about time).
(Used to introduce indirect questions about time).
At an earlier and less prosperous time.
At what time.
:
*
, title=(The Celebrity), chapter=4
, passage=The Celebrity, by arts unknown, induced Mrs. Judge Short and two other ladies to call at Mohair on an afternoon when Mr. Cooke was trying a trotter on the track.
*
*:Turning back, then, toward the basement staircase, she began to grope her way through blinding darkness, but had taken only a few uncertain steps when , of a sudden, she stopped short and for a little stood like a stricken thing, quite motionless save that she quaked to her very marrow in the grasp of a great and enervating fear.
At such time as.
:
*{{quote-magazine, year=2013, month=July-August, author=(Henry Petroski)
, title= As soon as.
:
At a time in the past.
:
*{{quote-news, year=2012, date=April 22, author=Sam Sheringham, work=BBC Sport
, title= (interrogative) What time; which time
The time.
(lb) One and only one time.
:
(lb) Formerly; during some period in the past.
:
*
*:Orion hit a rabbit once ; but though sore wounded it got to the bury, and, struggling in, the arrow caught the side of the hole and was drawn out. Indeed, a nail filed sharp is not of much avail as an arrowhead; you must have it barbed, and that was a little beyond our skill. Ikey the blacksmith had forged us a spearhead after a sketch from a picture of a Greek warrior; and a rake-handle served as a shaft.
*{{quote-book, year=1944, author=(w)
, title= *{{quote-magazine, date=2013-06-14, author=(Jonathan Freedland)
, volume=189, issue=1, page=18, magazine=(The Guardian Weekly)
, title= (lb) Multiplied by one: indicating that a number is multiplied by one.
:
As soon as.
*{{quote-magazine, date=2013-06-07, author=
, volume=188, issue=26, page=6, magazine=(The Guardian Weekly)
, title= As soon as; when; after.
* {{quote-news, year=2011
, date=September 27
, author=Alistair Magowan
, title=Bayern Munich 2 - 0 Man City
, work=BBC Sport
Once is a conjunction of when.
As adverbs the difference between when and once
is that when is Used to introduce questions about time while once is one and only one time.As conjunctions the difference between when and once
is that when is at what time while once is as soon as; when; after.As a pronoun when
is what time; which time.As a noun when
is the time.As an interjection when
is that's enough, a command to stop adding something, especially an ingredient of food or drink.when
English
(wikipedia when)Adverb
(-)- When will they arrive ?
- Do you know when they arrived?
- Do you know when they will arrive?
- Do you know when they arrive?
- He's mister high and mighty now, but I remember him when .
Conjunction
(missing senses) (English Conjunctions)Geothermal Energy, volume=101, issue=4, magazine=(American Scientist) , passage=Energy has seldom been found where we need it when we want it. Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame. With more settled people, animals were harnessed to capstans or caged in treadmills to turn grist into meal.}}
Liverpool 0-1 West Brom, passage=The Baggies had offered little threat until the 28th minute, but when their first chance came it was a clear one.}}
Derived terms
* whenwePronoun
(English Pronouns)- Since when do I need your permission?
Noun
(en noun)- A good article will cover the who, the what, the when , the where, the why and the how .
See also
* since whenDerived terms
* wheneverStatistics
*once
English
(wikipedia once)Adverb
(-)The Three Corpse Trick, chapter=5 , passage=The hovel stood in the centre of what had once been a vegetable garden, but was now a patch of rank weeds. Surrounding this, almost like a zareba, was an irregular ring of gorse and brambles, an unclaimed vestige of the original common.}}
Obama's once hip brand is now tainted, passage=Now we are liberal with our innermost secrets, spraying them into the public ether with a generosity our forebears could not have imagined. Where we once sent love letters in a sealed envelope, or stuck photographs of our children in a family album, now such private material is despatched to servers and clouds operated by people we don't know and will never meet.}}
Ed Pilkington
‘Killer robots’ should be banned in advance, UN told, passage=In his submission to the UN, [Christof] Heyns points to the experience of drones. Unmanned aerial vehicles were intended initially only for surveillance, and their use for offensive purposes was prohibited, yet once strategists realised their perceived advantages as a means of carrying out targeted killings, all objections were swept out of the way.}}
Coordinate terms
* (one time) twice, thrice, often, never, seldom * (formerly) yesterday, tomorrowSee also
* once again, once more * once and for all * once in a blue moon * once in a while * once removed * once upon a timeConjunction
(English Conjunctions)- We'll get a move on once we find the damn car keys!
- Once you have obtained the elven bow, return to the troll bridge and trade it for the sleeping potion.
- Once he is married, he will be able to claim the inheritance.
citation, page= , passage=Not only were Jupp Heynckes' team pacey in attack but they were relentless in their pursuit of the ball once they had lost it, and as the game wore on they merely increased their dominance as City wilted in the Allianz Arena.}}