cavity


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Related to cavity: body cavity, root canal, Dental cavity

cavity

1. Dentistry a soft decayed area on a tooth
2. any empty or hollow space within the body

cavity

[′kav·əd·ē]
(biology)
A hole or hollow space in an organ, tissue, or other body part.
(electromagnetism)
References in classic literature ?
Looking into the cavity, by the dim and flickering light, they both detected a dark object at the bottom of it.
He stretched himself at full length on the floor, and passed his right arm into the cavity. 'I can't say exactly what I have got hold of,' he said.
The place in the middle alone remained now unexplored; and though she had "never from the first had the smallest idea of finding anything in any part of the cabinet, and was not in the least disappointed at her ill success thus far, it would be foolish not to examine it thoroughly while she was about it." It was some time however before she could unfasten the door, the same difficulty occurring in the management of this inner lock as of the outer; but at length it did open; and not vain, as hitherto, was her search; her quick eyes directly fell on a roll of paper pushed back into the further part of the cavity, apparently for concealment, and her feelings at that moment were indescribable.
After first untwisting the strings from the hooks, Hester rose, and held the candle so as to light the cavity in the wall.
When Cadmus had thrust a passage through the tangled boughs, and made his way into the bower, he did not at first discern the half-hidden cavity. But soon he felt a cold stream of air rushing out of it, with so much force that it shook the ringlets on his cheek.
This cavity, you must know, was looked upon as a sort of fountain of truth, which sometimes gushed out in audible words; although, for the most part, these words were such a riddle that they might just as well have staid at the bottom of the hole.
He put other questions, but received no answer; only the gust of wind sighed continually out of the cavity, and blew the withered leaves rustling along the ground before it.
He will perch upon one of your eye-lashes, and go to roost there if you do not disturb him, or force his way through your hair, or along the cavity of the nostril, till you almost fancy he is resolved to explore the very brain itself.
[USPRwire, Wed Aug 21 2019] Vertical Cavity Surface Emitting Lasers Market - An Overview Worldwide sales of vertical cavity surface emitting lasers were valued at over US$ 1 Bn in 2017, and the demand is further likely to tread on an ever-increasing path.
[ClickPress, Thu May 02 2019] Laser mouse on laptops are one of such ubiquitous applications of vertical cavity surface emitting lasers and many other applications in consumer electronics.
To track the solar ray in the PTC, the cross section of a PTC with an elliptical cavity tube receiver is established under the rectangular coordinate system as shown in Figure 2.