acute

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acute

1. Maths
a. (of an angle) less than 90°
b. (of a triangle) having all its interior angles less than 90°
2. of a disease
a. arising suddenly and manifesting intense severity
b. of relatively short duration
3. (of a hospital, hospital bed, or ward) intended to accommodate short-term patients with acute illnesses

acute

[ə′kyüt]
(biology)
Ending in a sharp point.
(medicine)
Referring to a disease or disorder of rapid onset, short duration, and pronounced symptoms.
References in classic literature ?
The whole discourse was written with great acuteness, containing many observations, both curious and useful for politicians; but, as I conceived, not altogether complete.
And so true is this of the present subject that, though I have often explained some of my opinions to persons of much acuteness, who, whilst I was speaking, appeared to understand them very distinctly, yet, when they repeated them, I have observed that they almost always changed them to such an extent that I could no longer acknowledge them as mine.
This school of Socialism dissected with great acuteness the contradictions in the conditions of modern production.
He suffered much from a morbid acuteness of the senses; the most insipid food was alone endurable; he could wear only garments of certain texture; the odours of all flowers were oppressive; his eyes were tortured by even a faint light; and there were but peculiar sounds, and these from stringed instruments, which did not inspire him with horror.
Young though he was, my Grandson -- who was unusually intelligent for his age, and bred up in perfect reverence for the authority of the Circles -- took in the situation with an acuteness for which I was quite unprepared.
At the time, I set it down to some idiosyncratic, personal distaste, and merely wondered at the acuteness of the symptoms; but I have since had reason to believe the cause to lie much deeper in the nature of man, and to turn on some nobler hinge than the principle of hatred.
The ordinary sapper is a great deal better educated than the common soldier, and they discussed the peculiar conditions of the possible fight with some acuteness.
There happened then that which you know, and of which your precipitate departure," added the host, with an acuteness that did not escape D'Artagnan, "appeared to authorize the issue.
The obscurity augmented the acuteness of his hearing; at the slightest sound he rose and hastened to the door, convinced they were about to liberate him, but the sound died away, and Dantes sank again into his seat.
Dorothy's acuteness taught her that severity would crush the spirit of the child, and she nurtured him with the gentle care of one who handles a butterfly.
He estimates him fairly, indeed, and understands him well; but he unriddles his character rather by acuteness than by sympathy.
It was a queer thing to borrow a pocket- handkerchief, some will think; but I was lent to twenty people that night; and while in her hands, I overheard the following little aside, between two young fashionables, who were quite unconscious of the acuteness of the senses of our family.