n. 25B6; noun
a gully strewn with rocks : BOULDER, stone, pebble; Austral. informal goolie. See list.
a castle built on a rock : CRAG, cliff, outcrop.
he was the rock on which they relied : FOUNDATION, cornerstone, support, prop, mainstay; tower of strength, bulwark, anchor.
(informal) she wore a massive rock : DIAMOND (RING), jewel, precious stone. See list at gem .
litho-, petro-.
25A0; on the rocks (informal)
her marriage is on the rocks : IN DIFFICULTY, in trouble, breaking up, over; in tatters, in ruins, ruined.
a Scotch on the rocks : WITH ICE, on ice.
Rocks
See also gem s, mineral s. psammite
sedimentary pyroxenite
arenite quartzite
argillite schist
breccia serpentinite
chalk slate
chert verdite
claystone igneous
coal andesite
conglomerate anorthosite
diatomite aplite
dolomite basalt
flint breccia
ironstone diorite
limestone dolerite
marl dunite
mudstone elvan
oil shale felsite
oolite gabbro
phosphorite granite
pisolite greenstone
radiolarite kimberlite
rag lamprophyre
rudite lava
sandstone monzonite
shale obsidian
siltstone ophiolite
tillite pegmatite
metamorphic peridotite
amphibolite phonolite
blueschist picrite
eclogite porphyry
epidiorite pumice
epidosite rhyolite
gneiss syenite
granulite tephrite
hornfels tonalite
lapis lazuli trachyte
marble trap
mica schist tuff
mylonite variolite
phyllite vitrophyre