overhang

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o·ver·hang

(ō'vĕr-hang),
1. An excess of dental filling material beyond the cavity margin or normal tooth contour.
2. The unpaired end portion of one strand of a double-stranded nucleic acid chain.

overhang

[-hang]
Etymology: AS, ofer + hangian, to hang
an excess of dental filling material that projects beyond the margin of a tooth cavity preparation. It can trigger gingivitis or periodontitis by providing a harbor for bacteria.

o·ver·hang

(ō'vĕr-hang)
1. Excess of dental filling material beyond the cavity margin or normal tooth contour.
2. Unpaired end portion of one strand of a double-stranded nucleic acid chain.

o·ver·hang

(ō'vĕr-hang-ing)
Excess of dental filling material beyond cavity margin or normal tooth contour.

overhang,

n an excess filling material projecting beyond cavity margins.
References in classic literature ?
On one hand it is overhung by the crags of the hill, on the other by an old graveyard.
Well, you know he reigned over a rich valley which was overhung by the mountain whence he derived his picturesque name.
When we got to the land, which was not far, there, on the face of a cliff near the sea, we saw a great cave overhung with laurels.
So Thistle gladly went with him, and soon they came to a pleasant garden, where among the fairest flowers stood the hive, covered with vines and overhung with blossoming trees.
On still evenings this pond would be at rest, and not a rustle would disturb the trees which grew on its banks and overhung the motionless expanse of water.