Synonym: bob, flounder, roll, stone, sway, swing, toss, tumble. Similar words: rocky, frock, rocket, bedrock, crockery, rock salt, skyrocket, rock the boat. Meaning: [rɑk /rɒk] 
n. 1. a lump or mass of hard consolidated mineral matter 2. material consisting of the aggregate of minerals like those making up the Earth's crust 3. United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984) 4. (figurative) someone who is strong and stable and dependable 5. hard bright-colored stick candy (typically flavored with peppermint) 6. a genre of popular music originating in the 1950s; a blend of Black rhythm-and-blues with White country-and-western 7. pitching dangerously to one side. v. 1. move back and forth or sideways 2. cause to move back and forth.
n. 1. a lump or mass of hard consolidated mineral matter 2. material consisting of the aggregate of minerals like those making up the Earth's crust 3. United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984) 4. (figurative) someone who is strong and stable and dependable 5. hard bright-colored stick candy (typically flavored with peppermint) 6. a genre of popular music originating in the 1950s; a blend of Black rhythm-and-blues with White country-and-western 7. pitching dangerously to one side. v. 1. move back and forth or sideways 2. cause to move back and forth. 
Random good picture Not show
151. Deep in the earth's crust the rock may be subjected to temperatures high enough to melt it.
152. A nearby volcano erupted violently, sending out a hail of molten rock and boiling mud.
153. The rough rock walls were like the sides of a deep canal.
154. The rock and roll ignites the excitement of the audience.
155. Rock - climbers sometimes hazard their lives.
156. On matters of style, swim with the current, on matters of principle, stand like a rock. Thomas Jefferson 
157. Look at a stone cutter hitting at the rock. Nothing happens at first, but after many strikes, the rocks eventually cracks. In life, don't doubt. Keep at it and it will happen. RVM
158. Some little pieces of sand are so full of ego that they see themselves as a giant rock! But then the wind blows, the big ego flies in the air! Mehmet Murat ildan
159. Diplomacy is the art of saying "Nice Doggie" until you can find a rock. Will Rogers
160. Be grateful you are not like a rock that has no choice. The sun shines on it, the waves splash at it. You have a choice to move and to make your dreams come true. RVM
161. In matters of style, swim with the current; in matters of principle, stand like a rock. Thomas Jefferson
162. Don't rock the boat or it will capsize!
163. He saw the buoy floating above the Inchcape Rock.
164. Texture of sedimentary rock: clastic texture and nonclastic texture.
165. Aim To study the secondary porosity in the clastic rock storage of Ordos Basin.
166. Buyi Band are critically acclaimed by stream media as the most outstanding popular rock band.
167. This paper discuses on ten foundational problems of soft rock engineering whickare different from classical mechanics.
168. The memorial concert mixed rock, pop, hip - pop[sentencedict.com], and classical ballet.
169. Below we take to a trump card in Brunei Darussalam rock.
170. Coal is a rock composed principally of organic carbonaceous macerals and inorganic minerals.
171. There are well source - reservoir - cap rock assemblages and suitable petroleum pool - forming conditions in Carboniferous strata.
172. He adds that briny, acidic water would dissolve through alkaline basalt rock, not create puddles.
173. Political , Canton River, Dongxiang Hipparion fossil fauna almost entirely produced in such a rock.
174. Dolostone is the main rock type of the Cambrian in this area.
175. CHICAGO Hard Rock Pins Leather Gay Pride BUFF Guy 2007!
176. The 2004 FISH ROCK, Australian Cabernet Merlot has an intense crimson hue a blackcurrant fruit nose.
177. The carabiner must not be obstructed,(www.Sentencedict.com) any pressure from the rock reduces its strength.
178. He chiseled that rock into the figure of a woman.
179. These are useful in hard rock mining where high brisance, high shattering effects, are desired.
180. He used rock crystal , topaz, citrine and aquamarine and various materials for the base and embellishments.