n. 小圆石, 小鹅卵石, 水晶透镜, 碎石花纹

[医] 小石

[ noun ]
a small smooth rounded rock
<noun.object>

Pebble \Peb"ble\, n. [AS. papolst[=a]n; cf. L. papula pimple,
mote. See {Stone}.]
1. A small roundish stone or bowlder; especially, a stone
worn and rounded by the action of water; a pebblestone.
``The pebbles on the hungry beach.'' --Shak.

As children gathering pebbles on the shore.
--Milton.

2. Transparent and colorless rock crystal; as, Brazilian
pebble; -- so called by opticians.

{Pebble powder}, slow-burning gunpowder, in large cubical
grains.

{Scotch pebble}, varieties of quartz, as agate, chalcedony,
etc., obtained from cavities in amygdaloid.


Pebble \Peb"ble\, v. t. [imp. & p. p. {Pebbled}; p. pr. & vb. n.
{Pebbling}.]
To grain (leather) so as to produce a surface covered with
small rounded prominences.