Instant - определение. Что такое Instant
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Что (кто) такое Instant - определение

INFINITESIMAL MOMENT IN TIME, A MOMENT WHOSE PASSAGE IS INSTANTANEOUS
Instantaneous; Point in time; Time location; Instantaneity
Найдено результатов: 195
instant         
I. a.
1.
Pressing, urgent, importunate, earnest.
2.
Immediate, quick, instantaneous.
3.
Current, present, now passing.
II. n.
1.
Moment, second, twinkling, flash, trice, jiffy, twinkling of an eye, smallest conceivable point of time.
2.
Time, particular time, hour, moment.
instant         
(instants)
Frequency: The word is one of the 3000 most common words in English.
1.
An instant is an extremely short period of time.
For an instant, Catherine was tempted to flee...
The pain disappeared in an instant.
= moment
N-COUNT: usu sing
2.
If you say that something happens at a particular instant, you mean that it happens at exactly the time you have been referring to, and you are usually suggesting that it happens quickly or immediately.
At that instant the museum was plunged into total darkness...
= moment
N-SING: with supp, usu at/in N
3.
To do something the instant something else happens means to do it immediately.
I had bolted the door the instant I had seen the bat.
PHRASE [emphasis]
4.
You use instant to describe something that happens immediately.
He had taken an instant dislike to Mortlake.
= immediate
ADJ: usu ADJ n
instantly
The man was killed instantly...
ADV: ADV with v, ADV adj
5.
Instant food is food that you can prepare very quickly, for example by just adding water.
...instant coffee.
ADJ: ADJ n
instant         
n. at a certain instant (at that instant I realized who had planned the whole scheme)
Instant         
·adj Present; current.
II. Instant ·adv Instantly.
III. Instant ·adj Pressing; urgent; importunate; earnest.
IV. Instant ·adj Closely pressing or impending in respect to time; not deferred; immediate; without delay.
V. Instant ·adj A point in duration; a moment; a portion of time too short to be estimated; also, any particular moment.
VI. Instant ·adj A day of the present or current month; as, the sixth instant;
- an elliptical expression equivalent to the sixth of the month instant, ·i.e., the current month. ·see Instant, ·adj, 3.
instant         
¦ adjective
1. happening immediately.
(of food) processed to allow quick preparation.
2. dated urgent; pressing.
3. [postposition] dated (in business letters) of the current month: your letter of the 6th instant.
4. archaic of the present.
¦ noun
1. a precise moment of time.
2. a very short time.
Derivatives
instantly adverb
Origin
ME: via OFr. from L. instant-, instare 'be at hand', from in- 'in, at' + stare 'to stand'.
Instant         
In physics and the philosophy of science, instant refers to an infinitesimal interval in time, whose passage is instantaneous. In ordinary speech, an instant has been defined as "a point or very short space of time," a notion deriving from its etymological source, the Latin verb instare, from in- + stare ('to stand'), meaning 'to stand upon or near.
instantaneous         
[??nst(?)n'te?n??s]
¦ adjective
1. occurring or done instantly.
2. Physics existing or measured at a particular instant.
Derivatives
instantaneity noun
instantaneously adverb
instantaneousness noun
Origin
C17: from med. L. instantaneus, from L. instant- (from instare 'be at hand').
Instantaneity         
·noun Quality of being instantaneous.
Instantaneous         
·adj At or during a given instant; as, instantaneous acceleration, velocity, ·etc.
II. Instantaneous ·adj Done or occurring in an instant, or without any perceptible duration of time; as, the passage of electricity appears to be instantaneous.
instantaneous         
Something that is instantaneous happens immediately and very quickly.
Death was instantaneous because both bullets hit the heart.
= immediate
ADJ
instantaneously
Airbags inflate instantaneously on impact.
ADV: ADV with v

Википедия

Instant

In physics and the philosophy of science, instant refers to an infinitesimal interval in time, whose passage is instantaneous. In ordinary speech, an instant has been defined as "a point or very short space of time," a notion deriving from its etymological source, the Latin verb instare, from in- + stare ('to stand'), meaning 'to stand upon or near.'

The continuous nature of time and its infinite divisibility was addressed by Aristotle in his Physics, where he wrote on Zeno's paradoxes. The philosopher and mathematician Bertrand Russell was still seeking to define the exact nature of an instant thousands of years later.

As of October 2020, the smallest time interval certify in regulated measurements is on the order of 397 zeptoseconds (397 × 10−21 seconds).